6. In humans, having a widow’s peak (W) is dominant to not having a widow’s peak...
6. In humans, having a widow’s peak (W) is dominant to not having a widow’s peak (w). Sally has a widow’s peak. If Sally has a son who does not have a widow’s peak, what genotype can the father NOT be?
7. The ability to roll the tongue inward in humans is determined by the dominant gene T. From a couple both able to roll the tongue, a child is born. The child is unable to roll the tongue. What is the genotype of each of the parents?
8. Hemophilia is a X-linked recessive disorder due to the recessive gene h. If a hemophilic male (XhY) mates with a heterozygous female (XXh), what percentage of their sons will be hemophilic? What percentage of their daughters will be hemophilic?
Homework Answers
6. In humans, having a widow’s peak (W) is dominant to not having a widow’s peak (w). Sally has a widow’s peak. If Sally has a son who does not have a widow’s peak, what genotype can the father NOT be?
Ans: The father of sally is not Ww or ww genotypic but may be WW.
7. The ability to roll the tongue inward in humans is determined by the dominant gene T. From a couple both able to roll the tongue, a child is born. The child is unable to roll the tongue. What is the genotype of each of the parents?
Ans: The genotype of each parent could be Ww (Father) and mother (Ww).
8. Hemophilia is a X-linked recessive disorder due to the recessive gene h. If a hemophilic male (XhY) mates with a heterozygous female (XXh), what percentage of their sons will be hemophilic? What percentage of their daughters will be hemophilic?
Ans: The percentage of getting hemophilia for sons and daughters is 25 %
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6. In humans, having a widow’s peak (W) is dominant to not
having a widow’s peak...
answer all questions to get a thumbs up 4. A woman has a Widow's peak (dominant),...
answer all questions to get a thumbs up
4. A woman has a Widow's peak (dominant), but she does not know her genotype. She marries a man who has a straight hairline and they have 13 children. Nine have widow's peaks and four have straight hairlines a. What are the genotypes of the parents? b. What are the genotypes of the children? C. Explain how you arrived at your answers. G host 5. In humans, Phenylketonuria (PKU) and Lactose intolerance...
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline...
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline (w). A male homozygote with widow's peak marries a female homozygote with straight hairline, what are the possible genotypic and phenotypic ratios of the F1 and F2 generations that may result from the union? Phenotype of Parents ………………………… x ………………………… Genotype of Parents ………………………… x ………………………… Genes in gametes ………………………… x ………………………… Genotype of F1 Generation ………………………… Phenotype of F1 Generation ………………………… Genes in F1 gametes ………………………… or ………………………… (Punnett Square)...
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...
Question 19 (1 point) In humans, a cleft chin is dominant (C) to a smooth chin...
Question 19 (1 point) In humans, a cleft chin is dominant (C) to a smooth chin (c). In a genetic cross between a heterozygous individual and an individual homozygous for the recessive trait, what percentage of offspring will have a smooth chin? O a) 75% Ob) 25% O c) 100% d) 50% Question 20 (1 point) In humans, a widow's peak hairline is dominant (W) to a straight (w) hairline. If the ratio of offspring inheritence is 3:1 for a...
17. Suppose that, in humans, ability to roll the tongue (R) is dominant to being unable...
17. Suppose that, in humans, ability to roll the tongue (R) is dominant to being unable to roll (r), and having freckles (F) is dominant to having no freckles (). If a woman heterozygous for both traits married a man with no freckles who couldn't roll his tongue, what is the probability that they would have a freckled, tongue-rolling child?
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...
question 5-52 93 Dd D) dd D) aa x aa C) human height E) DI 4.Which...
question 5-52
93 Dd D) dd D) aa x aa C) human height E) DI 4.Which of these crosses will only produce heterozygous offspring? B) AA x Aa C) Aa x Aa E) Aa x aa 5. Which of the following human traits is an example of codominance? A) sickle-cell anemia D) AB blood type B) variation in eye color 6. Which of the following is true regarding an individual who has inherited one sickle-cell gene and one normal gene...
Hemophilia is an X linked recessive condition in humans (Xh). Blood type (AB) is determined utilizing...
Hemophilia is an X linked recessive condition in humans (Xh). Blood type (AB) is determined utilizing multiple alleles of I, two of which are codominant. A widow's peak is determined by a single dominant allele (W), while the recessive phenotype is a straight hairline. The ability to taste PTC is determined by a single dominant allele (T). while the recessive phenotype is a non-taster. Eugene is a non-taster male who does not have hemophilia. He has AB blood and a...
I did 1-5 but confused on the rest LAB EXERCISE 4.1 continued Name 6 Remember that...
I did 1-5 but confused on the rest
LAB EXERCISE 4.1 continued Name 6 Remember that the ability to taste PTC is dominant to the inability. Two normally pigmented taster parents have an albino, taster son and a non-taster daughter with normal pigmentation. Using A and Tand a and t for the dominant and recessive alleles, respectively, create a Punnett square for two traits, as shown on pages 71-73 in the section "Transmission of Autosomal Traits: Two at a Time."...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have dark eyes too. I have light color eyes (blue), the recessive trait. We are hoping for a blue-eyed baby. What is the probability we will have a baby with blue eyes? What is the probability we will have a baby with dark eyes? 2. In humans, tongue rolling is a dominant trait, those with the recessive condition cannot roll their tongues. Bob can roll...
answer all questions to get a thumbs up
4. A woman has a Widow's peak (dominant), but she does not know her genotype. She marries a man who has a straight hairline and they have 13 children. Nine have widow's peaks and four have straight hairlines a. What are the genotypes of the parents? b. What are the genotypes of the children? C. Explain how you arrived at your answers. G host 5. In humans, Phenylketonuria (PKU) and Lactose intolerance...
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...
Question 19 (1 point) In humans, a cleft chin is dominant (C) to a smooth chin (c). In a genetic cross between a heterozygous individual and an individual homozygous for the recessive trait, what percentage of offspring will have a smooth chin? O a) 75% Ob) 25% O c) 100% d) 50% Question 20 (1 point) In humans, a widow's peak hairline is dominant (W) to a straight (w) hairline. If the ratio of offspring inheritence is 3:1 for a...
17. Suppose that, in humans, ability to roll the tongue (R) is dominant to being unable to roll (r), and having freckles (F) is dominant to having no freckles (). If a woman heterozygous for both traits married a man with no freckles who couldn't roll his tongue, what is the probability that they would have a freckled, tongue-rolling child?
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...
question 5-52
93 Dd D) dd D) aa x aa C) human height E) DI 4.Which of these crosses will only produce heterozygous offspring? B) AA x Aa C) Aa x Aa E) Aa x aa 5. Which of the following human traits is an example of codominance? A) sickle-cell anemia D) AB blood type B) variation in eye color 6. Which of the following is true regarding an individual who has inherited one sickle-cell gene and one normal gene...
Hemophilia is an X linked recessive condition in humans (Xh). Blood type (AB) is determined utilizing multiple alleles of I, two of which are codominant. A widow's peak is determined by a single dominant allele (W), while the recessive phenotype is a straight hairline. The ability to taste PTC is determined by a single dominant allele (T). while the recessive phenotype is a non-taster. Eugene is a non-taster male who does not have hemophilia. He has AB blood and a...
I did 1-5 but confused on the rest
LAB EXERCISE 4.1 continued Name 6 Remember that the ability to taste PTC is dominant to the inability. Two normally pigmented taster parents have an albino, taster son and a non-taster daughter with normal pigmentation. Using A and Tand a and t for the dominant and recessive alleles, respectively, create a Punnett square for two traits, as shown on pages 71-73 in the section "Transmission of Autosomal Traits: Two at a Time."...
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