Homework Answers
2. Brown eyes is dominant to blue eyes.so
the person with blue eyes must have both the alleles for blue eyes
that is "bb".The brown eye man either have BB or Bb allele.To
determine the exact one we need to find his father eyes.As given
mother eyes is blue so mother has bb allele now his father either
have BB or Bb which is brown. Now ckearly we can tell that the
person has Bb allele which creat brown eye.
3.We know that haemophilia is a x linked recessive trait. That means when a girl get two of the haemophilic allele she develops haemophilia if she get one allele then she is a carrier because girl has the genotype of xx.Now for Boy is he gets one allele from his mother he will be haemophilic othereise he is normal.Boy can never be a carrier. If a girl is a carrier she doesnot develop any symptoms of it .She can only be identified after a test.
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consider blue eyes (b) in humans to be recessive to brown eyes (B). Show the genotypes...
1. The human gene for blue eyes (b) is recessive to brown eyes (B) and is...
1. The human gene for blue eyes (b) is recessive to brown eyes (B) and is inherited as a simple recessive trait. Two brown eyed parents have five children, four brown eyed and one blue eyed. Determine the genotype of the parents and explain the proportion of offspring by linking phenotype with possible genotypes. 2. Haemophilia is an X linked recessive trait (h). Suppose a young lady comes to you for advice in your capacity as a marriage counsellor. She...
i need this quick pls 3. A father with brown eyes marries a woman with blue...
i need this quick pls
3. A father with brown eyes marries a woman with blue eyes, and all of their children have brown eyes. (We are going to assume that this is a monogenetic trait, but in reality, t is not.) a. Assign symbols for the possible alleles. Brown:_ b. Which allele is dominant? Complete a Punnett square for the cross that results in all the offspring (the F1 generation) Blue having a brown-eyed phenotype C. What are the...
For the purpose of this problem assume that in humans eye color is controlled by a...
For the purpose of this problem assume that in humans eye color is controlled by a single gene and that the allele for brown eyes is dominant to the blue-eye allele. Two brown-eyed parents planning a pregnancy already have a blue-eyed daughter. PLEASE NOTE: gender (being male or female) is a SECOND trait (like a second Punnett square), but no need for a Punnett square because the chance that an offspring will be male or female is always 1/2. Assign...
also draw the punnet square 6. A brown-eyed man, whose mother was blue-eyed, marries a blue-eyed...
also draw the punnet square
6. A brown-eyed man, whose mother was blue-eyed, marries a blue-eyed woman. The man is red-green colour blind and his wife has normal colour vision although her father was also colour blind. (Note: brown eyes is dominant over blue eyes and eye colour is inherited autosomally. Red-green colour blindness is a sex-linked recessive trait). a) What are the genotypes of the man and his wife with respect to these two traits? Ger b) Complete the...
are recessive. A blue-eyed, left-handed 2. Blue eyes (b) and left-handedness (h) are recessive. A blue-eyed,...
are recessive. A blue-eyed, left-handed 2. Blue eyes (b) and left-handedness (h) are recessive. A blue-eyed, len woman marries a brown-eyed, right-handed man who is heterozygous to both traits. Work the problem to answer the question below. Genotypes: b b hhxBb H h woman man Gametes: 0000 0000 What is the probability of their having a blue-eyed, left-handed child
7) In humans, brown eyes (B) are a simple dominant trait over blue eyes (b). What...
7) In humans, brown eyes (B) are a simple dominant trait over blue eyes (b). What is the genotype of a brown-eyed woman who has a blue-eyed child? A)bb -B)Bb С)ВВ D)BBB E) BbBb 8) The ability to roll the edges of the tongue upward in a U-shape is inherited as a dominant allele at a single gene locus, Which of the following genotypes would produce an individual that can roll their tongue? A)TT only B)Tt only C) only D)TT...
Need 5-9 and number 11 all answered. Thx 5. How can two individuals with brown eyes(B)...
Need 5-9 and number 11 all answered. Thx
5. How can two individuals with brown eyes(B) have a blue (b) eyed baby? Show the genotypes of the parents and Punnett square to prove your answer. What are the chances of a blue-eyed baby? 6. A homozygous tongue roller (T) is married to a non-tongue roller(t). If they have 5 children, how many of them will be tongue rollers? Use Punnett square to support and explain your answer. 7. Let's imagine...
Could you please explain using Punnett squares? Thanks!! 9. In snapdragons, red flower color is incompletely...
Could you please explain using Punnett squares? Thanks!!
9. In snapdragons, red flower color is incompletely dominant to white and the heterozygote is pink. Normal broad leaves is incompletely dominant to narrow grass-like ones, and the heterozygous is intermediate width. IF a red-flowered, broad-leaved plant is crossed with a white-flowered, narrow-leafed one, list genotypic and phenotypic ratios of the following: a) Fi generation b) F2 generation 10. In humans, the allele for brown eyes (B) is dominant to the allele...
The genes for dark eyes (black or brown) are usually dominant over genes for blue or...
The genes for dark eyes (black or brown) are usually dominant over genes for blue or gray eyes. A man with black eyes marries a woman with light gray eyes. They have two children, a boy with black eyes, and a girl with blue eyes. What are the genotypes of the man, his wife, and both children?
2. A widow's peak (W) is dominant to a straight hairline (w), and unattached earlobes (E)...
2. A widow's peak (W) is dominant to a straight hairline (w), and unattached earlobes (E) is dominant to attached earlobes (e). Two parents, each with the genotype WwEe, have kids. a. What proportion of their offspring will have a widow's peak and unattached earlobes? b. What proportion will have unattached earlobes but have either a widow's peak or a straight hairline? 3. A woman with normal color vision, whose mother was colorblind, has children with a man with normal...
1. The human gene for blue eyes (b) is recessive to brown eyes (B) and is inherited as a simple recessive trait. Two brown eyed parents have five children, four brown eyed and one blue eyed. Determine the genotype of the parents and explain the proportion of offspring by linking phenotype with possible genotypes. 2. Haemophilia is an X linked recessive trait (h). Suppose a young lady comes to you for advice in your capacity as a marriage counsellor. She...
i need this quick pls
3. A father with brown eyes marries a woman with blue eyes, and all of their children have brown eyes. (We are going to assume that this is a monogenetic trait, but in reality, t is not.) a. Assign symbols for the possible alleles. Brown:_ b. Which allele is dominant? Complete a Punnett square for the cross that results in all the offspring (the F1 generation) Blue having a brown-eyed phenotype C. What are the...
For the purpose of this problem assume that in humans eye color is controlled by a single gene and that the allele for brown eyes is dominant to the blue-eye allele. Two brown-eyed parents planning a pregnancy already have a blue-eyed daughter. PLEASE NOTE: gender (being male or female) is a SECOND trait (like a second Punnett square), but no need for a Punnett square because the chance that an offspring will be male or female is always 1/2. Assign...
also draw the punnet square
6. A brown-eyed man, whose mother was blue-eyed, marries a blue-eyed woman. The man is red-green colour blind and his wife has normal colour vision although her father was also colour blind. (Note: brown eyes is dominant over blue eyes and eye colour is inherited autosomally. Red-green colour blindness is a sex-linked recessive trait). a) What are the genotypes of the man and his wife with respect to these two traits? Ger b) Complete the...
are recessive. A blue-eyed, left-handed 2. Blue eyes (b) and left-handedness (h) are recessive. A blue-eyed, len woman marries a brown-eyed, right-handed man who is heterozygous to both traits. Work the problem to answer the question below. Genotypes: b b hhxBb H h woman man Gametes: 0000 0000 What is the probability of their having a blue-eyed, left-handed child
7) In humans, brown eyes (B) are a simple dominant trait over blue eyes (b). What is the genotype of a brown-eyed woman who has a blue-eyed child? A)bb -B)Bb С)ВВ D)BBB E) BbBb 8) The ability to roll the edges of the tongue upward in a U-shape is inherited as a dominant allele at a single gene locus, Which of the following genotypes would produce an individual that can roll their tongue? A)TT only B)Tt only C) only D)TT...
Need 5-9 and number 11 all answered. Thx
5. How can two individuals with brown eyes(B) have a blue (b) eyed baby? Show the genotypes of the parents and Punnett square to prove your answer. What are the chances of a blue-eyed baby? 6. A homozygous tongue roller (T) is married to a non-tongue roller(t). If they have 5 children, how many of them will be tongue rollers? Use Punnett square to support and explain your answer. 7. Let's imagine...
Could you please explain using Punnett squares? Thanks!!
9. In snapdragons, red flower color is incompletely dominant to white and the heterozygote is pink. Normal broad leaves is incompletely dominant to narrow grass-like ones, and the heterozygous is intermediate width. IF a red-flowered, broad-leaved plant is crossed with a white-flowered, narrow-leafed one, list genotypic and phenotypic ratios of the following: a) Fi generation b) F2 generation 10. In humans, the allele for brown eyes (B) is dominant to the allele...
2. A widow's peak (W) is dominant to a straight hairline (w), and unattached earlobes (E) is dominant to attached earlobes (e). Two parents, each with the genotype WwEe, have kids. a. What proportion of their offspring will have a widow's peak and unattached earlobes? b. What proportion will have unattached earlobes but have either a widow's peak or a straight hairline? 3. A woman with normal color vision, whose mother was colorblind, has children with a man with normal...
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