For the trait of color in these beetles, where brown (B) is dominant to green (g), what is the phenotype ratio of the possible offspring of two heterozygous beetles?
Answers
Answer:
the answer is the last option 75% brown and 25% green.
Related Questions
What organelle reforms around the chromatids at opposite ends of the cell?
A. Chloroplast
B. Vacuole
C. Centriole
D. Nucleus
Answers
Which structures do plant cells have for making food that animal cells do not?
Answers
Answer:
chlorophyll is the answer
5. Our nervous system and our skeletomuscular system help us react to stimuli. Give one example on how this helps us maintain homeostasis.
Answers
Answer
The nervous and skeletomuscular systems help maintain homostasis by regulating respiration.
Explanation:
The brain stem, consisting of the pons and medulla, represent the main respiratory center. According to Wikipedia, "an increased level of carbon dioxide in the blood, or a decreased level of oxygen, will result in a deeper breathing pattern and increased respiratory rate to bring the blood gases back to equilibrium."
This is an example of a homostastic response controlled by both of the organ systems referenced above.
Source: https://en.wikipedia.org/wiki/Homeostasis
In humans, brown eyes are dominant to
blue eyes. What is the probability
that two heterozygous brown-eyed
parents will have a child with blue
eyes?
J. 25%
K. 50%
L. 75%
M. 100%
Answers
Answer:
j
Explanation:
since brown eyes are more dominant than blue eyes chances of it is 3/4
Answer:
The answer is J. 25%.
Explanation:
In this problem, we know brown eyes are dominant to blue eyes. We can let the dominant allele for brown eyes be represented by "B" and the recessive allele for blue eyes be represented by "b". Since it is given that both parents are heterozygous, we know that they must have the genotype Bb.
When two Bb individuals are crossed, the offspring will be 1 BB : 2 Bb : 1 bb, or 3 brown : 1 blue ratio. Therefore, 1/4 of the offspring will have blue eyes, which represents 25%. Thus, the correct answer is choice J, 25%.
Hope this helps!
Only forager bees leave the nest for their jobs
A
True
B
False
Answers
Would you predict more earthquakes in areas where tectonic plates are colliding or where they are moving apart?
PLSS HELPP MEEE
Answers
Answer:
Maybe where they are colliding because when they collide there is going to be a wave of impact that will go to the surface
Explanation:
Human sperm and egg cells have ____ chromosomes.
A. 42
B. 21
C. 23
Answers
Answer:
They each have 23 chromosomes
Explanation:
Answer:
C. 23
Explanation:
Human sperm and egg cells have 23 chromosomes.
When and where would you expect to find the highest rate of primary productivity
Answers
Answer: Net primary productivity is the amount of gross primary productivity remaining after respiration, which is about 40 and 85 percent. Sloughs and marshes, as well as tropical rain forests, possess the highest rates of net primary productivity; deserts have the lowest.
Explanation:
I explained on the top-
The highest rate of primary productivity in terrestrial environments takes place in swamps and marshes and in tropical rainforests, and in aquatic environments it takes place in algal beds, estuaries, and reefs.
• In ecology, primary productivity refers to the rate at which conversion of energy to organic substances takes place by the photosynthetic producers that attain energy and nutrients from the sunlight, and chemosynthetic producers that attain chemical energy via oxidation.
• The majority of the energy assimilated by plants via the process of photosynthesis is not stored as organic substance, however, is utilized at the time of cellular respiration.
• In the process, the organic components like proteins, carbs, and fats are dissociated to provide energy in the form of ATP for the metabolic needs of the cells.
• The energy not utilized is stored in the tissues of the plants for future use and is known as the net primary productivity.
• The highest net primary productivity in terrestrial environments takes place in marshes and swamps and in tropical rainforests, and in aquatic environments it takes place algal beds, estuaries, and reefs.
These environments are mainly critical for the sustenance of global biological productivity.
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Once mRNA is made it travels
A. out of the cytoplasm, into the nucleus where a ribosome will attach to it.
B. out of the nucleus, into the cytoplasm where a ribosome will attach to it.
Answers
Answer:
B. out of the nucleus, into the cytoplasm where a ribosome will attach to it.
Explanation:
Once mRNA is made, it travels out of the nucleus, into the cytoplasm where a ribosome will attach to it.
Which of the following processes transfers carbon directly from sea water to sea plants
Answers
Mitosis makes.....
A. cell phones
B. identical body cells
C. sperm and egg cells
Answers
B. identical body cells
hope it is helpful to you
Answer:
B. identical body cells
Explanation:
Mitosis produces new cells, and replaces cells that are old, lost or damaged. In mitosis a cell divides to form two identical daughter cells. ... Mitosis separates these chromatids, so that each new cell has a copy of every chromosome.
How does bacteria cause disease?
Answers
Answer:
Bacteria cause disease by secreting or excreting toxins (as in botulism), by producing toxins internally, which are released when the bacteria disintegrate (as in typhoid), or by inducing sensitivity to their antigenic properties (as in tuberculosis).
btw :
stay safe! :3
What is the most significant challenge for organisms that live in estuaries?
O A. Changing nutrient levels
O B. Changing water temperatures
O C. Changing water depth
O D. Changing water salinity
SUBMIT
(FOR TEST HELPPPP N HURRYYYY PLEASE!!!)
Answers
Answer:
D
Explanation:
sorry replied late buh it's better to know for the future l guess
Explain the advantage of an increase in the number of mitochondria in slow twitch fibres. Include at least 2 points in your response
Answers
Answer:
To produce more ATP molecules.
Explanation:
The advantage of an increase in the number of mitochondria in slow twitch fibers is to provide more ATP is provided to the muscles. These large number of mitochondria is responsible for the production of large amount of ATP which is a fuel that is used by the muscles of the boy in order to continue working. There is high burden on the slow twitch fibres in order to continue its movement, more mitochondria is needed.
What is the role of transport proteins in
active transport?
A. They move molecules against the gradient.
B. They collect molecules of water to assist in the process.
C. They store the ATP needed to power the process.
Answers
Adults produce gametes through a type of cellular reproduction called mitosis. The process of a sperm cell and an egg cell fusing together is called fertilizationand produces a zygote. As a zygote undergoes rapid cell division to develop into an embryo, fetus, and eventually baby, the type of cellular reproduction being used is . As a baby grows into an adult, the type of cellular reproduction used is mitosis.
Answers
Answer:
Mitosis.
Explanation:
Mitosis is the type of cellular reproduction which is used in order to develop an embryo, fetus, and eventually baby. In mitosis type of cell division, the parent and mature cells divides into two daughter cell. This type of cell division occurs in somatic or body cells whereas meiosis type of cell division occurs in the sex cells which produces four daughter cells from a single parent cell.
Can someone help me?
Answers
Answer:
1. lytic/losigenic cycle
2. Restriction enzymes (breaks) and DNA ligase (joins)
3.mitosis (creation of twin daughter cells)
4. mitosis had helped humans with cell growth and repais (and keeps a steady supply of new cells)
Explanation:
it first goes through the lytic cycle where one bacterium inserts it's own dna into a host (human cell) and into the human DNA and it starts multiplying inside human cells in the lysogenic cycle
I’m confused help me pls
Answers
Claim: This process uses expensive fertilizers and pesticides to grow pest free crops which may be produced in excess. Explain the reasons why people would go against growing wheat this way.
Your answer: Here are 3 reasons that go against growing wheat this way.
1. The fertilizers and pesticides are expensive and cost farmers a lot which takes away from the revenue that farmers make from growing the crops in the first place.
2. Other then fertilizers and Pesticides its a lot of work as you can see on the chart throughout the year there are many things you must do too keep crops bug free and pest free this reason I'm explaining says that taking and doing all of this work for not pests/bugs is too much and not needed.
3. Fungicide Is needed a lot and incredibly expensive when you used/spray it on crops that much and point goes a lot more for large crops too.
If these reasons don't work, find factors that or counterclaims that go against this method of harvesting wheat. (This is what your supposed too do)
Do you think if the environmental conditions in an area changes that the plants and animals that inhabit that region will change their features to adapt to the changing conditions?
Answers
Answer:
yea
Explanation:
cause our climate conditions changes everyday depends on the atmosphere at that time so if there fire in a forest all the animals there have to adapt to the smoke.
Yes, if the environmental conditions in an area changes that the plants and animals that inhabit that region will change their features to adapt to the changing conditions.
Why plants and animals will change their features?
Plants and animals are fundamentally different in many ways, but one of the most obvious is in how they deal with temperature.The climatic niche of a species reflects where it can live.A species with a wide climatic niche can range widely across many different conditions and may be especially resilient to climate change.Different sets of plant and animal species tend to occur at different elevations, which differ in temperature and precipitation.
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assume that cody used a weak magnet and the flake of cereal was not attracted to it what conclusion might he have drawn?
Answers
Answer: he might have concluded that the flake of cereal was not magnetic
Explanation:
What is respiration and the types of respiration
Answers
Answer:
Hey mate......
Explanation:
This is ur answer.....
Respiration is the process by taking in oxygen and liberating carbon dioxide from the oxidation of complex organic substances.
Three types of respiration include internal, external, and cellular respiration. External respiration is the breathing process. It involves inhalation and exhalation of gases. Internal respiration involves gas exchange between the blood and body cells....
Hope it helps!
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Elizabeth has always believed that people’s thoughts can help heal them. She wants to help people use positive thinking to positively affect their illnesses. What type of psychology would be MOST appropriate for Elizabeth to study? A. human factors psychology B. industrial psychology C. health psychology D. sports psychology
Answers
Answer:
health psychology
hope it is helpful to you
Which of these is an abiotic factor in a rainforest ecosystem?
Tree cover
Biodiversity
Trophic levels
Precipitation
Answers
HELP! What evidence indicates that many psychological disorders, such as schizophrenia and developmental
disorders, are biologically and not environmentally based?
Answers
Answer:
Schizophrenia and developmental disorders are traced genetically, and the gene will be found in the biological parents of the person with either schizophrenia or developmental disorders.
Explanation:
Although Schizophrenia can be triggered by environmental factors, or the 'nurture' of childhood development, a person who is not predisposed genetically to schizophrenia will not get the psychological disorder. The same is to be said about developmental disorders such as Autism and ADHD, it is hereditary.
For citation of evidence, I recommend talking about prenatal development, and how toxic substances can alter the development of a fetus, which is proven to lead to some developmental disorders, such as Fetal Alcohol Syndrome.
Answer:
Schizophrenia and developmental disorders are genetically connected, and the gene will be found in either the individual's biological parents or the person suffering from schizophrenia or developmental abnormalities.
Explanation:
Crossing over occurs during Prophase II.
A. True
B. False
Answers
crossing over occurs in prophase 1 of meiosis 1. The significance of this crossing over is to ensure cell differentiation. If this occurred in prophase two it means the cells in meiosis 1 will be identical.
Answer:
B. False
Explanation:
Crossing over not occurs in prophase II. It occurs only during prophase I.
A scientist is studying a cell from an unidentified organism. Which of these observations of the cell provide evidence for classifying the cell as PROKARYOTIC and NOT EUKARYOTIC? Select all that apply
The cell has a cell wall.
The cell lacks mitochondria, chloroplasts, and other membrane-bound organelles.
The cell has a cell membrane.
The cell has ribosomes in its cytoplasm.
The cell lacks a nucleus.
Answers
Answer:
hfdjjjjjjhgjluhb
Explanation:
A utility company has proposed building a natural gas power plant next to a lake. The picture below shows the proposed power plant.
The company claims burning natural gas will release only harmless gases such as water vapor (H2O) and carbon dioxide (CO2). Why would environmental scientists disagree with this claim?
A
The emission of carbon dioxide leads to rapid cooling of the Earth’s lakes and oceans.
B
The emission of carbon dioxide leads to an increase in the temperature of the atmosphere.
C
The emission of water vapor leads to a decrease in the humidity of Earth’s atmosphere.
D
The emission of water vapor pollutes the atmosphere, causing harm to plants and animals.
Answers
Answer: B is right
Explanation: Carbon dioxide is a greenhouse gas which is involved
with increasing temperature of atmosphere
Which of the following can cause evolution to occur? (Select all that apply)
Mutation
If organisms choose a mate for a specific reason
People moving into or out of an area
If the population shrinks
Answers
Answer:
MutationIf organisms choose a mate for a specific reasonPeople moving into or out of an areaIf the population shrinksExplanation:
These factors are the "forces of evolution." There are four such forces: mutation, gene flow, genetic drift, and natural selection.
These are the factors that can cause evolution to occur:
MutationIf organisms choose a mate for a specific reasonPeople moving into or out of an areaIf the population shrinks
Which three statements are true about the energy flow in an ecosystem?
Answers
Answer:
main source of energy for an ecosystem is the sun producers convert radiant energy to chemical energy the maximum amount of biomass is at the lowest trophic level
Answer:
A,B and E
Explanation: hope it helps you :)
which feature of stem cells enable them to replace cells in tissues such as skin?
Answers
The feature of stem cell which enable them to replace cell in tissues are that they can divide indefinitely to generate new cells and they can convert into the different types of cells that make up the body as they divide.
What is a stem cell ?A stem cell is a cell that has the unique capacity to grow into different types of cells in the body.
They may be utilised in the future to replace cells and tissues that have been damaged or destroyed owing to illness.
Stem cells are classified into three types which are Embryonic stem cells, Adult stem cells, Induced pluripotent stem cells.
Embryonic stem cells provide new cells to an embryo as it grows and develops into a newborn.
Adult stem cells generate new cells as an organism matures and replace damaged ones.
Induced stem cells are stem cells created in the laboratory by scientists.
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