A Colorblind Man Marry a Normal Woman

A normal woman whose father was colourblind is married to a normal man. Biology questions and answers.

A Colorblind Man Marries A Woman With Normal Sight Class 12 Biology Cbse

Red colorblindness is an x-linked recessive trait.

. When a cross between a color-blind man and a woman with normal sight who has no family history of color blindness is done then the progeny will have four children two daughters and two sons. Answer 1 of 5. A normal-sighted woman whose father was colorblind marries a color blind man.

Hence in the given question although it is said that the woman is normal she is still a carrier of the color blindness gene. Be - 25 msampurnah msampurnah 10122019 Biology Junior High School answered. Five of the daughters have normal color vision but one of them is color blind.

Determine the probability that any son will have the disorder. Colorblindness is carried on the X chromosome so females can be carriers of colorblindness without expressing the trait in their phenotype. Colourblindness is a sex-linked trait that affects males more often than females.

A color-blind woman and a man with normal color vision have three sons and six daughters. Colourblind is an X-linked recessive diseaseMales have only one copy of the X chromosome and they get the X chromosome from their mother hence sons of a colour blind woman will all be colour blind. What percentage of their sons are likely to be colorblind.

For the following Sex-Linked Punnett Squares. If a color-blind woman married a man with normal vision what would be the probably phenotypes of their children A man with hemophilia a recessive sex-linked condition has a daughter without the condition. When a colorblind Xc Y man marries a normal woman XX all of their sons will be normal XY and all of their daughters will be carrier X cX.

Find step-by-step Biology solutions and your answer to the following textbook question. A woman needs two copies of defective genes to be colour blind. It is a X linked recessive disorder.

The man from the first marriages genotype is Select. Whereas a woman requires two copies of defective genes to be colorblind. Red-green color blindness is an X-linked.

A colour blind man marries a woman who is homozygous for normal colour vision the probability of their son being colour blind is 0 Maharashtra State Board HSC Science General 12th Board Exa. A man with normal vision marries a woman who has normal vision but whose father was colorblind. What is the probability that their children will have polydactyly if homozygous dominant is lethal.

The genotype of color-blind man is X c Y The genotype of a normal woman will be XX. Could they have a color-blind daughter. Can a heterozygous woman have colorblind daughters.

Colour blindness is X- linked recessive. A all normal visioned B all colour blind C three-fourths colour blind and one-fourth normal D one-half colourblind and one-half normal AnswerB all colour blind Explanation. What is the probability that they will have offspring who is colorblind.

The husband dies and she marries a colorblind man. Biology questions and answers. Who will be carriers of the colorblind allele sons or daughters.

All the sons are color blind. However in this case it would seem that due to the genetic inheritance of the mother the chances of their child being color blind would be approximately 50 because each parent is a carrier. If the man is colorblind and the woman is not and she is not a carrier for colorblindness then their female children will not be.

Can a normal vision female marry a color blind man. If a colorblind woman marries a man with normal vision what is the probability of colorblind sons. 1-1 normal blood clotting hhemophilia 3.

XHXh X XHY a. What percentage of their daughters are likely to be colorblind. A man with colorblindness marries a woman who is a carrier of the disorder.

If a color-blind man married a normal healthy woman whose father was colorblind could they have a son with normal vision. A non-phenylketonuric red colorblind man married a nonphenylketonuric normal-visioned woman whose mother was phenylketonuric and whose father was red colorblind. A man and woman with polydactyly marry.

The sons genotype is Select which means the womans genotype must be Select The man. However the chances of inheriting a colorblind X chromosome would be twice as likely for a. So when a colour blind man marries a normal sight woman all of their sons will be normal but their daughters will be carriers.

Explain how this girl inherited her color blindness. What will happen if a Colour blind male marries a normal female. With the aid of a Punnett square indicate the genotypes of the parents and of the offspring including their chances of being colourblind in the F1 generation.

Only the daughters can receive the affected X chromosomes from the father and hence an affected father can inherit the disorder to the female child. It is often inherited. A woman with normal vision marries a man with normal vision and they have a colorblind son.

When a cross between a color-blind man and a woman with normal sight who has no family history of color blindness is done then the progeny will have four children two daughters and two sons. She marries a man who does not have hemophilia. The results show that there is a 50 chance that the sons will be colorblind and 50 chance that the girls will.

The mans mother was non-phenylketonuric but red color blind and his father was phenylketonuric This problem has been solved. Polydactyly is an autosomal dominant trait. A man requires only one copy of defective gene to be colorblind.

Answer 1 of 5. So A colour blind female has two X chromosomes- both of which are recessive- XrXr A colour blind male has one recessive gene and one normal Y chromosome- XrYn. The color-blind daughter is 16 years old is short for her age and has not undergone puberty.

It gets expressed only in homozygous condition. Colorblindness is X-linked recessive disorder. The sons would be A 75 colourblind B 50 colourblind C all.

-Color blindness is an X-linked recessive disorder. A man needs only one copy of a defective gene to be colour blind. If womans father was colorblind and she was not she will be a carrier.

So when a colorblind woman genotype XcXc marries a normal man genotype XY all of their sons will be colorblind genotype XcY because they inherit 1 Xc from their mother and all the daughters will be carrier genotype XcX as they inherit.

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A Colorblind Man Marries A Woman With Normal Sight Class 12 Biology Cbse

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