helppp, i need this asap

Helppp, I Need This Asap

Answers

Answer 1
C. is the answer

A determined the gender
B and D is part of mitosis not meiosis
Answer 2

The diagram that explains the crossing over in the following diagram is option C, as here the crossing over takes place and the chromosomes exchange their genetic materials and can later produce the gametes.

What exactly is the significance of the cross-over in meiosis?

Crossing over is important in meiosis because it occurs when homologous chromosomes exchange genetic material, resulting in the formation of new combinations of genetic information and increasing genetic diversity in the population. As a result, evolution occurs, and unique offspring are produced.

Hence, the diagram that explains the crossing over in the following diagram is option C, as here the crossing over takes place and the chromosomes exchange their genetic materials and can later produce the gametes.

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Related Questions

Sexual reproduction in animals depends on the production of gametes.
Which of these processes produces gametes in animals? *
Mitosis
Fertilization
O Meiosis
Binary fission

Answers

I believe it’s O Meiosis

The process that produces gametes in animals is meiosis.

What is Meiosis

Meiosis is a specialized type of cell division that occurs in the reproductive cells, or germ cells, of animals. It involves two rounds of cell division, resulting in the production of four haploid daughter cells, each with half the number of chromosomes as the parent cell.

During meiosis, the genetic material is shuffled and recombined through processes such as crossing over and independent assortment. This genetic variation contributes to the diversity of offspring produced through sexual reproduction.

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HELP!!!!!!!!!!!!!! And go check out my other questions

Answers

The answer would be B!!

CAN SOMEONE HELP ME PLEASE ITS DUE RIGHT NOW !!! :(

Answers

G I help you get correct!

I am confusion can someone help?

The recommendation is that 9 year-old children get 11 hours sleep a night.

A telomere from a child that gets 11 hours sleep a night is 8,000 nucleotides long.

How long would you expect a telomere to be in a child that gets 9 hours sleep a night?

Answers

Answer:

I believe it would be 6,000

Which of the following is true of ecological succession? A-pioneer organisms move into new communities first. B-primary productivity decreases as succession proceeds. C-secondary succession takes place within new communities with no previous soil. D-all of the above.

Answers

Answer:  Pioneer organisms move into new communities first.

Explanation:

Which part of the digestive system does earthworm not have?

Answers

Answer:

stomach

Explanation:

Digestion occurs mostly in the intestine and the digested food is absorbed by villi. Then pass into blood stream through capillaries. Undigested food and the soil are released out in the form of casting through anus.

What is the role of photosynthesis and cellular respiration in the cycling of carbon; include the biosphere, atmosphere hydrosphere and geosphere?

Answers

Photosynthesis and cellular respiration are important components of the carbon cycle, in which carbon is exchanged among the biosphere, atmosphere, oceans, and geosphere through chemical, physical, geological, and biological processes.
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere. Photosynthesis and cellular respiration are important components of the carbon cycle, in which carbon is exchanged among the biosphere, atmosphere, oceans, and geosphere through chemical, physical, geological, and biological processes.

 The tool that measures air pressure is called what?

Answers

Answer: A barometer !

Explanation:

Hoped this helped ! :)

In the picture below, letter E represents:

A.substrate
B.enzyme
C.products
D.active site

Answers

Answer:

C.products is the answer.

Answer:

C. products

Explanation:

In the picture above, the letter E represents products.

Drop a paper a piece of thermocol and a piece of plastic from a height of 10 to 15 feet not the time for each object to hit the ground why does paper take more time than thermocol and thermocol more than the plastic piece make the paper to fell down in such a way that it should hit the ground before all of them and how does it happen

Answers

Answer:

The paper takes more time to fall than the piece of thermocol because it experiences a greater air resistance than the thermocol.

The thermocol takes more time than the piece of plastic because it experiences a greater air resistance.

The piece of paper can be made to fall faster than all of them and hit the ground faster by crumpling it and then giving it an initial velocity by throwing it downwards.

Explanation:

Objects falling freely due to the force of gravity alone are accelerated downwards at a constant value 9.8 m/s². This acceleration due to gravity is constant for all objects on the earth's surface and is independent of the mass of the objects.Therefore, when objects are release from the same height and allowed to fall freely under gravity, they are accelerated downwards to the same extent and are expected to hit the ground at the same time. However,due to the resistance of the air through which the objects are falling, they may hit the ground at different times depending on the shape of the falling objects.

Objects which have a greater surface area or volume per unit mass will experience a greater air drag or resistance and therefore, will take a longer time than objects of similar mass with a smaller volume or surface area.

The paper has a greater surface area per unit mass than the piece of thermocol, therefore, it takes more time to fall than the piece of thermocol because it experiences a greater air resistance than the thermocol.

The thermocol has a greater surface area per unit mass than the piece of plastic, therefore, it takes more time than the piece of plastic because it experiences a greater air resistance.

The piece of paper can be made to fall faster than all of them and hit the ground faster by crumpling it, thereby reducing its surface area per unit mass it and then giving it an initial velocity by throwing it downwards.

Osmosis is the movement of
across a memberane,
Food
water
oxygen
energy

Answers

Answer:

osmosis is the movement of a solvent across a membrane, so water

What is the role of oxygen in photosynthesis

Answers

Photosynthesis is the process in which light energy of the sun is converted to chemical energy. ... The oxygen so released is used in the respiration process to break down complex molecules (generated in photosynthesis) and releases energy in the form of ATP (adenosine triphosphate) molecules.

Answer:

as fare as I can remember oxygen is actually a waste product that is produced at the end of a plant's photosynthesis cycle

Explanation:

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Select the correct answer. What falls in the gray area between living and nonliving things? A bacteria B. mold C. virus D. yeast Reset​

Answers

Answer: C Virus

Explanation:

Why is it virus?, you may ask. Well... virus falls on the grey area between non living and living things

What was the laws of heredity

Answers

Answer:

Mendel's Laws of Heredity are usually stated as:

1) The Law of Segregation: Each inherited trait is defined by a gene pair. Parental genes are randomly separated to the sex cells so that sex cells contain only one gene of the pair. Offspring therefore inherit one genetic allele from each parent when sex cells unite in fertilization.

2) The Law of Independent Assortment: Genes for different traits are sorted separately from one another so that the inheritance of one trait is not dependent on the inheritance of another.

3) The Law of Dominance: An organism with alternate forms of a gene will express the form that is dominant.

Explanation:The genetic experiments Mendel did with pea plants took him eight years (1856-1863) and he published his results in 1865. During this time, Mendel grew over 10,000 pea plants, keeping track of progeny number and type. Mendel's work and his Laws of Inheritance were not appreciated in his time. It wasn't until 1900, after the rediscovery of his Laws, that his experimental results were understood.

define any three types of chromosomes depending upon position of centromere?​

Answers

Answer:

The type of chromosomes based on the position of centromere are of the following four types :

1) Metacentric chromosome: centromere in middle forming two equal arms.

2) Sub-metacentric chromosome: centromere placed near to one end resulting in one shorter and one long arm.

3) Acrocentric chromosome: Centromere placed close to one end forming one extreme short and one extreme long arm.

4) Telocentric chromosome: terminally placed centromere.

solution

Waste produced by agriculture, mining, households, industry and other
human activities can end up in which of the following?*
A: Oceans
B:groundwater
C:streams and rivers
D:all of the above

Answers

If your could pick more then 2 answers the pick a and c and if yiu cants it’s a or c

The life span of a star depends on:
plz hurry :)

Answers

Answer:

It's size

Explanation:

Answer:

mass

Explanation:

The lifetime of a star depends on its mass. Since stars spend about 90% of their lives burning hydrogen into helium on the main sequence, their main sequence lifetime is also determined by its mass.

An archer shot a 0.06 kg arrow at a target the arrow accelerated at 5,000 m/s squared to reach a speed of 50.0 m/s as it is left the bow.During this acceleration what was the net force to the nearest newton?

Answers

Answer:

the net force to the nearest newton is 300 N

Explanation:

The computation of the net force to the nearest newton is shown below:

According to the newton second law of motion, the force is proportional directly to the change rate in momentum

So,

Resulted force = mass × acceleration

F = 0.06 kg × 5,000 m/s

= 300 N

Hence, the net force to the nearest newton is 300 N

Answer:

300 N

Explanation:

3. Which enzyme do scientists use to cut genes out of strands of DNA?

DNA polymerase

DNA ligase

restriction endonuclease

RNA polymerase

Answers

Answer:

Restriction Endonuclease.

Akshay decides one day to run a marathon without any training. After 10 minutes your lapsed and akashay, has run half a mile, he begins to get cramps in his thigh he's also breathing very rapidly what is causing the cramps on his legs?

Answers

Answer:

Lactic acid accumulation in the leg muscles

Explanation:

Muscle cramps are painful feelings caused by sudden contractions of the muscle. Cramps are caused by several reasons, however, based on the description of Akashay's activity, it is caused by ACCUMULATION OF LACTIC ACID in the leg muscles due to strenuous exercise.

According to this question, Akashay decided to run a marathon without any prior training. However, he started to get cramps on his thigh coupled with rapid breathing. There is a lack of oxygen in his cells, hence, anaerobic respiration was used leading to the formation of lactic acid. The buildup of lactic acid is what causes the painful sensation called CRAMP.

HELP PLS!!!!!!
Polygenic traits are when one phenotype (trait) is controlled by several different genes. The provided example shows human skin color being controlled by 3 different genes. Describe one other trait (don't use skin color!) in any animal that you think could be a Polygenic trait, and explain why you think that it is (HINT: I did mention an example in class yesterday... lets SEE if you remember!).

Answers

This is sooooo hard but I’ll try

How are genetic relationships represented?

Answers

Answer:

Genetic relationships are analysed based on the comparison of allelic identity or differences, regardless of the number of SNPs that differ between two alleles of a gene, which simplifies the analysis.

Explanation:

if a blue eyed offspring is formed from black eyes parents, what type of character is the blue eye dominant or recessive? expalin with the help of a chart​

Answers

Answer:

Blue Eyes Are: Recessive

Explanation:

The brown eye form of the eye colour gene (or allele) is dominant, whereas the blue eye allele is recessive. If both parents have brown eyes yet carry the allele for blue eyes, a quarter of the children will have blue eyes, and three quarters will have brown eyes. I hope this helps :) Good luck on your assignment!!!

During a harsh winter, the surfaces of lakes, ponds, and streams stay froren longer than usual
Why would this decrease the growth rate of deer in the area?
А
There would be less water available.
B
There would be less shelter available
C.There would be fewer hours of sunlight
D. There would be more predators in the area,

Answers

B there would be less water

There would be less water available

What is harsh winter ?

Harsh climates or conditions are very difficult for people, animals, and plants to live in.

How Does a Harsh Winter Affect Wildlife?

A snowy winter can alter migration patterns, make foraging for food difficult and make a typical environment uninhabitable.

How do animals rely on their natural environment?

This ecosystem is its natural habitat. This is where the basic needs of the organism to survive are met: food, water, shelter from the weather and place to breed its young. All organisms need to adapt to their habitat to be able to survive.

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Compared with mitosis, the process of meiosis results in daughter cells that are-

A. haploid cells with the same number of chromosomes as the parent cells

B. haploid cells with a smaller number of chromosomes than the parent cells

C. diploid cells with a smaller number of chromosomes than the parent cells

D. diploid cells with the same number of chromosomes as the parent cells

Answers

Answer:

Explanation:

e

Answer: Haploid cells with a smaller number of chromosomes than the parent cell

Explanation: meiosis results in four daughter cells which are haploids. Haploids have half the number of chromosomes of the diploid parent cell.

describe the meaning of the phrase "cells are the basic unit of structure in all organisms" in your own words.

Answers

Answer:

Each organism has a basic unit of structure which are cells.

Explanation:

;)

Cells are regarded as the fundamental units of life in part because they come in discrete and easily identifiable packages.

What are cells?

Cells are the fundamental building blocks of all life. Trillions of cells make up the organisms' body.

They support the body's structure, absorb nutrients from food, convert those nutrients into energy, and perform specialized functions.

Nucleic acids, proteins, carbohydrates, and lipids are the four major classes of organic molecules found in all cells.

Cells are regarded as the fundamental units of life in part because they come in discrete and easily identifiable packages.

Like the walls of a house, all cells are surrounded by a structure called the cell membrane, which serves as a clear boundary between the cell's internal and external environments.

Thus, cells are the basic unit of structure of all organisms.

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which phase of the cell cycle do cells go to when they are not ready to divide?

Answers

Answer:

Interphase

Explanation:

Answer:

interphase

Explanation:

I hope this helps!!!

which characteristic of living organisms is responsible for the production of oxygen in the leaf of a plant exposed to sunlight.

Answers

Answer:

Photosynthesis.

Explanation:

Photosynthesis is a characteristic of living organisms and it is typically responsible for the production of oxygen in the leaf of a plant exposed to sunlight. It is a chemical process used by plants to obtain food from sunlight.

All living organisms such as plants and animals require energy to function properly (life activities). Thus, the cell organelle where energy from nutrients is released is generally referred to as mitochondria. Animals and plants retrieve energy using mitochondria to do cellular respiration because they typically act like a digestive system by taking in nutrients, breaking them down and obtaining energy rich molecules for cell-life activities.

Cellular respiration can be defined as a series of metabolic reactions that typically occur in cells so as to produce energy in the form of adenosine triphosphate (ATP). During cellular respiration, high energy intermediates are created that can then be oxidized to make adenosine triphosphate (ATP). Therefore, the intermediary products are produced at the glycolysis and citric acid cycle stage.

Describe the steps to complete a dihybrid
cross.

Answers

Answer:

1. Write out your key in terms of what is dominant and what is recessive.

2. Determine the genotypes of each parent and write the cross.

3. Figure out what kind of gametes each parent may produce.

4. Set up a Punnett square for your making.

Explanation:

A dihybrid cross must be a 4 x 4 square which two variables for each square.

3. Which tool do scientists use to classify plants that is based
on a series of paired characteristics?

observation power

dichotomous key

sketch book

plant classification

Answers

dichotomous key is the answer to your question
Dichotomous key is the answer
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