achondroplasia is a form of dwarfism in humans. it is caused by a mutant allele of the fibroblast growth factor receptor (fgfr) gene that produces an overactive protein. having one copy of the mutant allele results in dwarfism. having two copies of the mutant allele results in stillbirth. (infant dies in the womb.) which allele, the mutant allele or the wild-type allele, is dominant with respect to viability

Answers

Answer 1

Answer:

The correct answer is - wild type in respect of viability.

Explanation:

Achondroplasia is a condition of dwarfism and it takes place due to a mutant allele which autosomal dominant in nature which means only one copy of the mutant allele is going to cause dwarfism in an individual.

We also know that if two copies of the mutant allele are present then it will be lethal and will not be viable so in respect of expression the mutant allele is dominant, however, in respect of the viability, the wild type is dominant.


Related Questions

2. True or false: a polio virus needs a host cell to replicate *

Answers

Answer:

true

Explanation:

a virus needs a host to replicate its like fleas they lay eggs on dogs to replicate

Please help me asapppp anyone I will give brainliest

Answers

Answer: 1 = B, 2 = C, 3 = A

Explanation:

Despite the fact that the various protists observed in this exercise belong to different

eukaryotic lineages, what makes them all "plantlike" in nature?

Answers

Complete question: This can be seen in the attached file below. It's contains the various protists observed in the exercise.

Answer: For a eukaryotic organism to possess a plantlike characteristics shows its ability to manufacture its own food through the process of photosynthesis.

Explanation:

Protists are single- celled or unicellular organisms. They are made up of eucaryotic cells in which the cell structure is complex with a well - defined nucleus. Typical example if protists includes the following:

--> Volvox

--> Spirogyra

--> Euglena

--> Diatoms

--> chlamydomonas

Some protists are said to be plant like and are known as protophyta. Example of such includes Euglena, Spirogyra and chlamydomonas. This is because they have organelles called chloroplasts. This contains chlorophyll which enables them to make their own food through the process of photosynthesis. Photosynthesis is the process by which energy for sunlight is converted to high energy containing organic compounds such as glucose.

compare blood cells to plant cells, include details about color, general shape, and size.

Answers

Blood cells are red, squishy, rounded, and have an indentation in them in the middle. Plant cells are green and firm and have a more square, boxy shape. Plant cells are larger than blood cells.

Plant cell is different in size, colour and shape from blood cell.

Plant cell has cuboid shape whereas blood cell has biconcave discoid shape. The colour of blood cell is red if it has oxygen or brown if it is no oxygen whereas plant cell has green colour. Plant cells have cell walls, ribosomes, endoplasmic reticulum, DNA and lysosomes but blood cells have no ribosomes, no endoplasmic reticulum, no DNA molecule and no lysosomes. The size of blood cell is 6.2–8.2 µm whereas the size of plant cell has 10 to 100 micrometers so we can conclude that there are a lot of differences between plant and blood cells.

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explain how low blood pressure can cause poor blood circulation

Answers

Answer:

People with very low blood pressure may experience poor circulation and other related symptoms. However, having a lower blood pressure measurement is not usually a cause for concern in people with a healthy cardiovascular system

Explanation:

Hope it will help please mark it as brainliest

Low blood pressure is because the heart is not beating strong enough. This means with each pump the blood is not getting “pushed around” the body properly hence not circulating the body as it should.

Multiple Choice Question
Sensory stimuli are detected by structures called:

Multiple choice question.

synapses


receptors


axons

Answers

Answer:

receptors

Explanation:

they receive impulses basically

H2=3.4g+O2=10g —> H2O= ?

Answers

Answer:

mass of  1  mole of  H 2 = 3.4 g + O 2 = 10 g → H 2 O = 3614.35999774 g

Explanation:

Which part of the dna experiences
the mutations

Answers

Answer:

Nucleotide

Explanation:

Which of the following is used to screen for carcinogenic potential of various compounds?


transformation testing


replica plating


Ames test


ELISA test

Answers

Answer:

Ames test

Explanation:

This is because Ames test is a test that uses bacteria strain i.e Salmonella typhimurium to check or assess of a chemical has carcinogenic effect of it. It uses mutagenicity of bacteria. It is a biological assay that test whether an a chemical can cause mutations in the dna of the test organisms. When mutagens are added and also liver enzymes, there would be a reverse mutation and this will lead to their growth


Use the two drawings of cell to answer the question that follows.

Which of the following best describes the cell shown?

A. The cells are from the same organism

B.One cell is from a plant and one from an animal.

c. The cell are from different types of animals

D.The cells are from different types of plants

Answers

Answer:

D

Explanation:

The cells are from different types of plants

Which organelle is most directly involved in energy transformations within cells?
A. chloroplast
B. nucleus
C. ribosome
D. endoplasmic reticulum

Answers

The answer is A chloroplast
Hope this will help you

The two major cell organelles involved in energy transformation are mitochondria and chloroplasts. Thus option A is correct.

what is function of chloroplast ?

Chloroplasts are the cellular organelle found in photosynthetic organism like plants and algae.

They  are present in mesophyll cells of leaves and contain a high concentration of chlorophyll which absorb sunlight; It is absent in animal cell.

Chloroplast has extra-nuclear DNA and are semiautonomous.

They synthesize food by the process of photosynthesis by absorbing sunlight into chemical energy.

It is major production house of  NADPH and molecular oxygen (O2) by photolysis of water; It produces ATP from photosynthesis.

It also indirectly involve in generation of carbon and sugar molecule during the Calvin Cycle or dark reaction of photosynthesis.

Thus option A is correct.

Learn more about chloroplast, here:

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I’m stumped anyone know 4 metamorphosis facts?

Answers

Answer:

Insects that have complete metamorphosis have four life stagesInsects going through their immature stage are called larvaeInsects then enter an inactive state called pupa, or chrysalis. Whilst inside the pupa, the insect will excrete digestive juices, to destroy much of the larva’s body, leaving a few cells intact.In the final stage of the metamorphosis, the insect finally breaks through the pupa emerging as a full adult

Explanation:

Cellular respiration extracts energy from what ?

Answers

Answer:

ATP, from glucose.

Glucose is from the food we eat.

The ______ function of the nervous system is to gather ______ information and make decisions that affect ______ functions.

Answers

Answer: integrative; sensory; motor

Explanation: Have a great day :D

what factors determine how much the motion of the air molecules will change

Answers

The factors that determine how much the motion of the air molecules will change are:

.The rate of diffusion which is affected by the concentration gradient, .membrane permeability.temperature.pressure

The movement of substances from a region of higher concentration to a region of lower concentration is called diffusion of particles. This phenomenon is very important in cellular transport in plants.

The rate of diffusion is affected by  4 factors namely:

.concentration gradient: Diffusion takes place when there is a difference between the concentrations of a substance across a barrier. Diffusion stops when the concentrations of the substance on either side of the barrier become equal.

.membrane permeability: Diffusion rate increases as membrane permeability increases.

.temperature and pressure is paramount in the diffusion of gases as gases diffuse from a region of higher partial pressure to a region of lower partial pressure.  Same as in terms of temperature.

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Whích scenario describes a relationship of parasitism?
O A polar bear catches a seal for dinner.
O Birds feed off the insects that are stirred up from the grasses as cattle move through.
O A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.
O Oxpecker birds eat parasitic ticks off the backs of zebras.

Answers

Answer:

C

Explanation:

C is the only one with something that is harming the animal but benefiting the parasite. A also seems like that, but it isn't parasitism.

Answer:

A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.

Explanation:

I took the test

bardo mahangi ma tippani​

Answers

Answer:this is not even a question why are you asking incomplete questions that is a good way to get your self reported no offense i'm just trying to help you out optional what will help you with now is by clicking on that crown and i wont report you and no offense

Explanation:

Which part of the nervous system is considered the control center of the body?

1)hypothalamus

2)central nervous system

3)motor neurons

4)lateral nervous system


Answer and I will give you brainiliest

Answers

Answer:

2 because the central nervous system includes the brain, cerebellum, cerebrum, brain stem, etc.

Select the correct answer from each drop-down menu.

According to the principles of hydrology, what happens to the freezing point of water when you add salt and raise the water pressure?

According to the principles of hydrology, adding salt _____ the freezing point of water and ______ the boiling point.

1st Blank:

A. Raises
B. Lowers
C. Doesn’t change

2nd Blank:

A. Raises
B. Lowers
C. Doesn’t change

Answers

Answer:

1. B) lowers

2. A) raises

The blue area is the ocean floor while the green and brown area is dry land. Which of the following is the best conclusion that can be drawn from the map?

Answers

Answer:

These symbols are con- stantly refined to better relate to ... area features, such as vegetation (green), water (blue), and densely ... Topographic contours are shown in brown by lines of different ... spaced contours or an absence of contours means that the ground ... The bathymetric contour interval may vary on each map

Explanation:

In an attempt to increase diversity in your local public health department workforce you decide to obtain more information from candidates than merely their skills and experience. Which of the following questions can you legally ask in a face-to-face job interview when the information is not provided on the application?A. In country where you were born?B. How many children do you have?C. What is your ethnic background?D. Have you worked with minority populations?

Answers

Answer:

C

Explanation:

Diversity is based on the practice and experience you have with a variety of different ethnic backgrounds

The axial skeleton is composed of the cranium, vertebrae column, ribs, sternum,
clavicle and scapula.
O True
O False

Answers

Answer:

False

Explanation:

The Axial skeleton is composed of the cranium, ossicles of the middle ear, rib cage, and vertebral column. The Clavicle and scapula are parts of the appendicular skeleton.

The answer is false.


The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage. The bones of the appendicular skeleton (the limbs and girdles) “append” to the axial skeleton.

Which of the following is a correct statement about evolution?



A. Evolution is a change in the morphological characteristics of a species



B. Evolution is a change in size characteristics of a species



C. Evolution is a change of allele frequency from one generation to the next



D. Evolution is the change in the physiological characteristics of a species



E. All answers are correct

Answers

Answer:

C. Evolution is a change of allele frequency from one generation to the next

Explanation:

Evolution is the gradual change that occurs to living organisms over successive generations. According to Charles Darwin, these changes aid in the adaptation of the species of an organism to their environment. In other words, it makes them better fit.

Charles Darwin further stated that since evolution is dependent on natural selection i.e selection of the best fit by environmental factors, the changes that the organism undergo are genetic. Hence, evolution is a change of allele frequency from one generation to the next.

Why would you consider amphibians to have great biodiversity?

Answers

Amphibians are vertebrates in the class Amphibia that includes frogs, toads, salamanders, newts, and caecilians (wormlike amphibians). Amphibian species are considered important biological indicators of the health of an ecosystem because they live in both aquatic and terrestrial environments.

What common antiseptic is obtained
from seaweed?​

Answers

Answer: iodine

Explanation:

I have to do that one ☝️ lol lol lol

Please Answer Quickly

Answers

Answer:

Explanation:

A = nucleus

B= mitochondria for respiration and photosynthesis  

All living organisms have complex organization, they are able to grow and develop, they are able to reproduce and pass on genetic information to their offspring, they are able to acquire and release energy, and they are able to maintain stable internal environments.

Which of the following statements can be inferred from the above information?
A. Living organisms share certain characteristics.
B. Nonliving organisms cannot possess any of the above characteristics.
C. Living organisms only need to possess one of the above characteristics.
D. Nonliving organisms are similar to living organisms.

Answers

Answer:

Option B. is the best answer. Nonliving organisms cannot possess any of the stated characteristics.

Blood pressure would be highest in the vessel labelled:

3
4
2
1

Answers

Answer:2 its 2

Explanation:

2 because it’s 2!!!!!!!!!!!!

Need some quick help with this:

Answers

Answer: burning fossil fuels and decomposition of dead organisms

Answer:

The answer is burning fossil fuels.

Assume coat color in horses is controlled by a single gene. Palomino horses have a golden yellow coat, chestnut horses have a brown coat, and cremello horses have a coat that is almost white. A series of crosses between the three different types of horses produced the following offspring:
Cross Offspring palomino times
palomino x palomino 13 palomino, 6 chestnut, 5 cremello
chestnut x chestnut 16 chestnut
cremello x cremello 13 cremello
palomino x chestnut 8 palomino, 9 chestnut
palomino x cremello 11 palomino, 11 cremello
chestnut x cremello 23 palomino
A. Explain the inheritance of the palomino, chestnut, and cremello phenotypes in horses.
B. Assign symbols for the alleles that determine these phenotypes, and list the genotypes of all parents and offspring given in the preceding table.

Answers

Answer and Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached file.

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