Answers
Answer:
The answer to the given question is =7/8
Explanation:
In autosomal dominant traits, one copy of the affected gene is enough to cause the disease. Let ’A’ be the affected gene, ‘a’ be the non affected gene. Since IV-4’s parents are a couple of affected and non-affected. So, he has the genes Aa, i.e. a single affected gene.
A a
a aA aa
a aA aa
Number of children affected=[tex]\frac{1}{2}[/tex]
Number child affected out of three = [tex](\frac {1}{2}) ^{3}[/tex]
At least one child affected out of three = 1-P (number of children affected out of 3 )
= [tex]1-(1/2)^{3}[/tex]
= [tex]\frac{7}{8}[/tex]
So, the answer to the given question is 7/8
Related Questions
Sets the metabolic rate for the cells of the body describes
Answers
Answer:
BMR ; Basal Metabolic Rate
Explanation:
MR is the rate of energy expenditure per unit time by endothermic animals at rest....
Metabolic comprises the process that the body needs to function.
Basal metabolic rate is the amount of energy per unit of timethat a person needs to keep the body functioning at rest
undesirable side effects that may occur when taking this pill. (2 pts) 5. American soldiers who liberated the Nazi concentration camps at the end of World War II were so moved by the inmates' emaciation that they offered them candy bars and other rich foods. In spite of the inmates' extreme starvation, these foods had to be taken away from them. Explain why. Be specific as
possible. (2 pts)
Answers
Answer:
The digestive system can't digest the food properly.
Explanation:
The inmates' extreme starvation, these foods had to be taken away from them because their digestive system can't digest the food properly. When a person experience long duration of starvation, the body can't digest that rich foods properly and has difficulty to digest it so that's why these foods had to be taken away from them and provide those foods which are easily be digested.
write the function of eustachian tube?
Answers
Answer:
Equalized air pressure.
Explanation:
The function of eustachian tube enables air pressure to be equalized between the outside air and the middle ear cavity. The eustachian tube also known as pharyngotympanic tube that connects the middle ear cavity with the nasopharynx. Eustachian tube is responsible for the aeration of the middle ear system as well as clears mucus from the middle ear into the nasopharynx. Opening and closing functions of the eustachian tube are is very important.
Which is NOT true of smooth muscle? A. They use peristalsis to move substances through tubes. B. They are found in the hollow parts of the body such as blood vessels and the small intestine. C. They can become fatigued. D. They are connected by gap junctions.
Answers
Answer: the answer is C
Explanation: I been trying to find the same answer for this exact question for acellus and C was the correct answer
The following answers for the Causes and Consequences features are examples and are not intended to represent a comprehensive list. In addition, the sequence of items is not meant to connote relative importance Sort the examples below into the appropriate bin. Think about which factors contribute to the spread of invasive species (causes), the consequences that result from the spread of invasive species, and possible solutions. Reset Help economic costs for control and removal of invasives decline of native organisms due to competition with invasives improved manual or chemical control measures increased global transport and mobility favorable conditions for invasives due to climate change stricter policies aimed at ballast water dumping and other particulars change in community structure and function Causes Consequences Solutions
Answers
Answer:
factors contribute to the spread of invasive species (causes)increased global transport and mobility favorable conditions for invasives due to climate changethe consequences that result from the spread of invasive specieseconomic costs for control and removal of invasivesthe decline of native organisms due to competition with invasives change in community structure and functionpossible solutionsimproved manual or chemical control measuresstricter policies aimed at ballast water dumping and other particularsExplanation:
Dispersion refers to the change in an organism's range or distribution area. Different ecological and biogeographical processes might be involved in organisms' dispersion. The term "jump dispersion" refers to a few individuals in a short time that can cross a barrier and occupy a new area. In this situation, the establishment is not always for sure. For this to happen, they must reproduce and start a new population of a certain size that can survive the new conditions.
Biologic Invasions refer to new species that establish in a new area far or out of their original distribution range. Once established, these species might be considered exotic or invasive, according to their reproductive rate, population growth, and interaction with native species.
The exotic species is the one that has been introduced and got to establish, but causes no damage or alteration to native ecosystems.
The invasive species is introduced into a new area, establishes, expands its distribution from the first invaded spot, and overgrows. As they expand, they compete with other native species for resources such as water, place, radiation, exposure, shelter, source of food, among others. Species are considered to be invasive because of their reproductive rate, population growth, and interaction with native species, which provokes huge damages to the native ecosystem.
It is very common for these species to escape and start new populations in the new area, where they have less environmental pressure and better conditions than in their origin area -fewer predators, more resources, better nitches-, and these factors favor their establishment.
There are some typical steps in an invasion process:
1) Introduction or dispersion to the new area,
2) Naturalization. The new species establishes in the new area. It can grow, reproduce and make use of resources.
3) Overgrowth and uncontrolled expansion.
4) Interaction with other species.
5) Stabilization.
Biologic invasions are natural processes, that occur in small groups of individuals that can expand to other ecosystems. Their expansion is promoted by the appearance or disappearance of barriers. But these biological invasions have been accelerated by human beings, referring to this as human-assisted invasions. These are the cases in which men transport species from one place to the other for different uses or purposes.
Once a species has become invasive, it turns very hard to eliminate it, especially because it requires big mechanical and economical effort. However, they can be controlled to avoid their wider expansion. There are different ways of controlling invasive species
Mechanical ChemicalBiologicalAlbinism is a recessive trait where an individual does not produce the pigment melanin. A man and woman who both produce melanin have one child out of three who has albinism. What are the genotypes of the man and woman
Answers
Albinism is a recessive trait where an individual does not produce the pigment melanin. Albinism is an autosomal disease where the gene which is expressed here is having albinism which is the cause of heterozygous condition.
What is the heterozygous ?
Heterozygous is the condition where the genes in the alleles are different to each other where one has a dominant character and one has a recessive character. The genotypes of the woman and man decide the genotype of the offspring.
The genotypes of the man and woman is heterozygous where the dominant once out of 3 will have the dominant traits for the albinism. The condition will have to be heterozygous as in the Ia Ii gene where the gene for the albinism will be i gene.
The same genotype for the male where the Ib i gene in which i i the albinism carrying gene here the ii condition of the gene will express the albinism.
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someone knows the answer would help me
Answers
Answer:
A
Explanation:
gel electrophoresis separate molecules according to the size of the molecules
Which of the following hormones is directly
controlled by nervous system?
A. Adrenaline
B. Estrogen
C. Thyroxine
D. Cortisol
Answers
Answer:
adrenaline is the hormone which is directly controlled by nervous system
Why do you think it’s a challenge to reduce fossil fuel usage in homes in the United States? How could the use of fossil fuels affect the biodiversity in neighborhoods and the surrounding ecosystems?
Answers
Answer:
Well,for starters fossil fuels have been there since the beginning of the country's life style in using it.Eg;for household used such as cooking.
Explanation:
The used of fossils may affect the surrounding biodiversity,and ecosystem due to the amount of Carbon Dioxide they emitted when being lit,which contributes to Ozone Depletion,and other global issues
What is the answer with explaining and what I put in the empty box
Answers
Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.
Part A
When the following liquids are poured into the same container, they separate as shown in the image. Based on the data
in the table below, what caused the order of the layers?
rubbing alcohol
vegetable oil
water
corn syrup
Liquid
corn syrup
Volume Used
95 cm
90 cm
water
Mass
130.158
90.00 g
77.358
81.90 g
Density
1.37 g/cm
1 g/cm
0.91 g/cm
0.78 g/cm
85 cm
vegetable oil
rubbing alcohol
105 cm
Answers
The layers are formed due to difference of density of solutions.
The main cause of the order of the layers is the difference of weight and density of different liquids in the container. The liquids that has more weight means higher density will sink below the liquids that has less weight means lower density so due to difference in their density corn syrup is located at the bottom due to higher density and rubbing alcohol is present at the top of the container due to lower density.
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What caused the order of the layers can be attributed to the densities of the liquids.
The density of a substance is an indication of how heavy the substance is in relation to its volume. Mathematically, it is given as mass/volume.Hence, a liquid with a higher density will always be at the bottom of a liquid with a lower density provided that both of them are of the same volume.In order words, immiscible liquids poured together in the same container will separate out according to their densities - starting with the highest density liquid occupying the bottom with the lowest density liquid staying topmost.
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QUESTION 27 in the brain Both sleep and mood are related to levels of O a. endorphins. O b. dopamine. O c. serotonin. O d. marshmallow.
Answers
Answer:
C) Serotonin
Serotonin, help to stabilize our mood and also helps with sleeping.
What do members of a population have in common? Select all that apply.
O A. They have the same density.
B. They are the same size.
C. They live in the same area.
D. They are the same species.
E. They live at the same time.
Answers
Answer:
E. They live at the same time.
D. They are the same species.
If Sarah had skin vesicles on the anterolateral region of her neck, which peripheral nerve is infected by the virus? To which peripheral nerve plexus does this nerve belong
Answers
Answer: transverse cutaneous nerve
- cervical plexus
Explanation:
The peripheral nervous system refers to the network of the motor and the sensory nerves which helps in connecting the brain and spinal cord to the entire human body. The peripheral nerves control movement, sensation, and motor coordination.
If Sarah had skin vesicles on the anterolateral region of her neck, the peripheral nerve affected is the transverse cutaneous nerve. The transverse cutaneous nerve innervates the skin which covers the anterior cervical region and it brings to the cervical plexus.
The eurkaryotic cells glycocalyx is..?
Answers
Explanation:
The glycocalyx is a carbohydrate-enriched coating that covers the outside of many eukaryotic cells and prokaryotic cells, particularly bacteria .
What are the main sources of greenhouse gas emissions on Earth?
Answers
Answer:
Globally, the primary sources of greenhouse gas emissions are electricity and heat (31%), agriculture (11%), transportation (15%), forestry (6%) and manufacturing (12%). Energy production of all types accounts for 72 percent of all emissions.
The space shuttle Endeavor is launched to altitude of 500,000 m above the surface of the earth. The shuttle travels at an average rate of 700 m/s. How long will it take for Endeavor to reach its orbit?
Answers
Answer:
Time taken by space shuttle = 714.28 m/s
Explanation:
Given:
Distance cover by space shuttle = 500,000 meter
Speed of space shuttle = 700 m/s
Find:
Time taken by space shuttle
Computation:
Time taken = Distance / Speed
Time taken by space shuttle = Distance cover by space shuttle / Speed of space shuttle
Time taken by space shuttle = 500,000 / 700
Time taken by space shuttle = 714.28 m/s
Methanogens are able to live in what enviroment
Answers
Which statement explains why athletes experience a burning sensation in
their muscles after vigorous exercise?
A. Their muscles have taken in too much oxygen.
B. The conditions in their muscles have become anaerobic.
C. The temperature in their muscles has become too high.
D. Their muscles have become flooded with glucose.
Answers
Answer:
B. The conditions in their muscles have become anaerobic.
Explanation:
In humans, cellular respiration occurs naturally in an aerobic condition (presence of oxygen) but anaerobic respiration can be adopted in specific or extreme cases. One of those cases is after or during a VIGOROUS EXERCISE.
What happens is that, after a vigorous exercise by an athlete, oxygen becomes insufficient in their muscle cells due to high consumption. Hence, their muscle cells switch to anaerobic respiration (lactic acid fermentation), which causes the build up of lactate in the muscle tissues. This lactate build up cause athletes to experience a painful and burning sensation in their muscles.
Hence, it all begins when "conditions in their muscles become anaerobic after an exercise".
White petal color is a recessive trait.
Answers
Answer:
An example of a dominant trait is the violet-colored flower trait. For this same characteristic (flower color), white-colored flowers are a recessive trait.
Explanation:
Which area appears only on the posterior part of the body? a)scapular b)patellar c)umbilical d)sternal
Answers
Answer:
Patellar
Explanation:
Answer:patellar
Explanation:
On the posterior side
I’m tryna meet you in the front
Answers
Explanation:
7.vena cava(D)
8.ammonia(A)
9.pancreas(A)
the impact of grassroots challenges to trash incinerators
Answers
A teacher places 65 g of liquid water in a sealed plastic bag and then
places the bag in a freezer.
After the water freezes, what will be the mass of solid ice in the bag
Answers
Answer:
65g, mass is always constant. when the water turned to ice it's volume and density changes but not it's mass
Answer:A. Exactly 65 g
Explanation:just to make it more of a simple answer
Compare and contrast the structure of DNA with RNA.
Answers
Sigmoidal plots of activity versus substrate concentration are exhibited by a. holoenzymes. b. Michaelis-Menten enzymes. c. allosteric enzymes. d. monomeric enzymes. e. isozymes.
Answers
Answer:
The correct answer is C
Explanation:
Allosteric enzyme is an enzyme that has more than one active site on the surface of the enzyme. Generally, the binding to one of these active sites affects the affinity of the other active sites on the enzyme; this causes the enzyme not to follow the Michaelis-Menten's enzyme kinetics. Thus, when the activity versus substrate is plotted on a graph, a sigmoidal curve shown instead of an hyperbolic curve (like other enzymes).
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Answers
Answer:
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Which geometric solid is the best model for these cells?
O A. A square pyramid
O B. A sphere
O c. A right circular cylinder
OD. A cube
SUBMIT
Answers
Answer:
D. A cube
Explanation:
Epithelium cells are a type of cell that has a simple cuboidal epithelium that consists of only a single layer of cells that are cube-like or cuboidal in shape. These cells have large, spherical nuclei present in the center. These cells are cube-shaped cells
What is physiological?
Answers
Which two physical properties of graphite make it a good mineral for use in pencils?
1. luster and fracture
2. cleavage and color
3. hardness and streak
4. greasy feel and composition
Answers
The physical properties of graphite which makes it good for pencils is ;
( 3 ) hardness and streak
Graphite is made up of carbon atoms which are held together by van der waals forces ( weak force ). They are soft and slippery which is why graphite is used in the manufacture of lubricants. while graphites are used for the manufacture of writing materials such as pencils because of its hardness and streak
Hence we can conclude that the physical properties of graphite which makes graphite good for the production of pencils are hardness and streak
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