Homework Answers
It is given that both the parents are carriers for albinism and lack the eye pigment. Additionally, 1 out of their 4 offspring will show the phentoype. This suggests that the trait is recessive in nature. Furthermore, it says that either male or female offspring can show thr trait, which suggests that the trait is not specific to a praticular sex. Hence, the trait is autosomal recessive.
Option (a) is correct.
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QUESTION 31 "Both parents are carriers of the allele for Albinism, or lack of the pigment...
albinism is caused by a recessive QUESTION 6 Albinism (lack of skin and hair pigmentation) is...
albinism is caused by a recessive
QUESTION 6 Albinism (lack of skin and hair pigmentation) is caused by a recessive autosomal allele. A woman and man both normally pigmented, have an albino child together. For this trait, what is the genotype of the albino child? O A. It is unknown, because not enough information is provided. O B. heterozygous O C. homozygous dominant OD.homozygous recessive O E. It depends on the environment that the child lives in. QUESTION 7 in...
(c) Individual 14 carries a recessive allele for albinism (lack of normal body pigment) which is...
(c) Individual 14 carries a recessive allele for albinism (lack of normal body pigment) which is not sex-linked. She marries a man who is also a carrier for albinism but who does not carry the hemophilia allele. The genes exhibit independent inheritance. Using the symbol a for albinism and A for normal pigmentation, show by means of a suitable genetic diagram, the probability of this couple producing a male child who has both hemophilia and albinism.
b. Use the following genetic symbols to answer the questions: Normal pigment allele N Albinism allele-n...
b. Use the following genetic symbols to answer the questions: Normal pigment allele N Albinism allele-n The genotype of an albino individual is The genotype of a "carrier" is The genotype of a normal individual is Use the solved example as a guide to complete the following albinism problem and predict the occurrence of this disorder in the childrer c. Carrier pareX Albino parent Carrier parent X Carrier parent Possible genotype of the parents Possible genotype of the parents: Nr...
does someone know the answer for these questions? Thank you so much 3. In certain breeds...
does someone know the answer for these questions? Thank you so
much
3. In certain breeds of dogs, black color is dominant and red color is recessive. Solid color is dominant and spotting is recessive. A homozygous black male is crossed with a red-and-white spotted female. What is the probability of them producing a solid black puppy? 4. In horses, black color (B) dominates chestnut color (b). The trotting gait (T) dominates the pacing gait (t). A cross is made...
Lab Exercise 10 6) Fragile X disorder is a sex linked recessive disorder. Albinism is an...
Lab Exercise 10 6) Fragile X disorder is a sex linked recessive disorder. Albinism is an autosomal recessive characterized by a lack of pigment in the skin, eyes and hair. HINT: THE GENES INO INVOLVED ARE ON TWO DIFFERENT CHROMOSOMES! Kyra is a carrier for Fragile X disorder and is unaffected by albinism. Kyra's mother has unpigmented skin, eyes and hair. Kyra marries Randy who has albinism, and does not ha Fragile X disorder. a. What is Kyra's genotype? b....
d. What percent of the offspring will be carriers of the white yel! 2. Using the...
d. What percent of the offspring will be carriers of the white yel! 2. Using the same information as for question #1, cross a heterozygous red-eyed female with a red-eyed male. 1. What are the genotypes of each parent? b. What fraction of the children will have red eyes? c. What fraction of the children will have white eyes? d. What fraction of the female children will carry the white eyed trait? 3. In humans, hemophilia is a sex-linked recessive...
B. Albinism Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin...
B. Albinism Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. Albinism, the inability to produce melanin, is inherited in humans as an autosomal recessive trait. An individual with genotype AA or Aa will have normally pigmented skin, whereas an individual with genotype aa will produce no melanin. The albino's skin is very pale white. The white color occurs because one or more steps in the biosynthetic pathway for melanin do...
Albinism, the total lack of pigment, is due to a recessive gene. A man and woman...
Albinism, the total lack of pigment, is due to a recessive gene. A man and woman plan to marry and wish to know the probability of their having any albino children. What are the probabilities if: a. both are normally pigmented, but each has one albino parent. b. the man is an albino, the women is normal, but her father is an albino. (Draw pedigrees to explain)
Albinism, the total lack of pigment, is due to a recessive gene. A man and woman...
Albinism, the total lack of pigment, is due to a recessive gene. A man and woman plan to marry and wish to know the probability of their having any albino children. What are the probabilities if: a. both are normally pigmented, but each has one albino parent. b. the man is an albino, the women is normal, but her father is an albino. (Draw pedigrees to explain)
A couple in Indiana are both heterozygous for the autosomal recessive allele for albinism. They have...
A couple in Indiana are both heterozygous for the autosomal recessive allele for albinism. They have two children. What is the probability that both children will be phenotypically normal and identical with regard to skin color? A) 3/4 B) 1/16 C) 1/4 D) 9/16 E) 5/8 Please show math!
albinism is caused by a recessive
QUESTION 6 Albinism (lack of skin and hair pigmentation) is caused by a recessive autosomal allele. A woman and man both normally pigmented, have an albino child together. For this trait, what is the genotype of the albino child? O A. It is unknown, because not enough information is provided. O B. heterozygous O C. homozygous dominant OD.homozygous recessive O E. It depends on the environment that the child lives in. QUESTION 7 in...
(c) Individual 14 carries a recessive allele for albinism (lack of normal body pigment) which is not sex-linked. She marries a man who is also a carrier for albinism but who does not carry the hemophilia allele. The genes exhibit independent inheritance. Using the symbol a for albinism and A for normal pigmentation, show by means of a suitable genetic diagram, the probability of this couple producing a male child who has both hemophilia and albinism.
b. Use the following genetic symbols to answer the questions: Normal pigment allele N Albinism allele-n The genotype of an albino individual is The genotype of a "carrier" is The genotype of a normal individual is Use the solved example as a guide to complete the following albinism problem and predict the occurrence of this disorder in the childrer c. Carrier pareX Albino parent Carrier parent X Carrier parent Possible genotype of the parents Possible genotype of the parents: Nr...
does someone know the answer for these questions? Thank you so
much
3. In certain breeds of dogs, black color is dominant and red color is recessive. Solid color is dominant and spotting is recessive. A homozygous black male is crossed with a red-and-white spotted female. What is the probability of them producing a solid black puppy? 4. In horses, black color (B) dominates chestnut color (b). The trotting gait (T) dominates the pacing gait (t). A cross is made...
Lab Exercise 10 6) Fragile X disorder is a sex linked recessive disorder. Albinism is an autosomal recessive characterized by a lack of pigment in the skin, eyes and hair. HINT: THE GENES INO INVOLVED ARE ON TWO DIFFERENT CHROMOSOMES! Kyra is a carrier for Fragile X disorder and is unaffected by albinism. Kyra's mother has unpigmented skin, eyes and hair. Kyra marries Randy who has albinism, and does not ha Fragile X disorder. a. What is Kyra's genotype? b....
d. What percent of the offspring will be carriers of the white yel! 2. Using the same information as for question #1, cross a heterozygous red-eyed female with a red-eyed male. 1. What are the genotypes of each parent? b. What fraction of the children will have red eyes? c. What fraction of the children will have white eyes? d. What fraction of the female children will carry the white eyed trait? 3. In humans, hemophilia is a sex-linked recessive...
B. Albinism Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. Albinism, the inability to produce melanin, is inherited in humans as an autosomal recessive trait. An individual with genotype AA or Aa will have normally pigmented skin, whereas an individual with genotype aa will produce no melanin. The albino's skin is very pale white. The white color occurs because one or more steps in the biosynthetic pathway for melanin do...
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