gy Jose Andrade - Sex linked practice problems.pdf 4. Brown eyes are dominant over blue eyes. This is NOT a sex-linked trait. Cross a brown-eyed colorblind male (whose mother had blue eyes) with a normal blue-eyed female (whose father was colorblind). Genotype of the male Genotype of the female Genotypes + 100% WA Phenotypes (a) What is the probability of getting offspring that are blue-eyed carrier females? (Remember that a carrier is a female that carries one copy of the sex-linked allele, but does not have the disease.) (b) What is the probability of getting offspring that are blue-eyed? (c) What is the probability of getting offspring that are blue-eyed colorblind males? (d) What is the probability of getting offspring that are brown-eyed carrier females? (e) What is the probability of getting offspring that are blue-eyed normal males? (f) What is the probability of getting offspring that are colorblind?

gy Jose Andrade - Sex linked practice problems.pdf 4. Brown eyes are dominant over blue eyes. This is NOT a sex-linked trait. Cross a brown-eyed colorblind male (whose mother had blue eyes) with a normal blue-eyed female (whose father was colorblind). Genotype of the male Genotype of the female Genotypes + 100% WA Phenotypes (a) What is the probability of getting offspring that are blue-eyed carrier females? (Remember that a carrier is a female that carries one copy of the sex-linked allele, but does not have the disease.) (b) What is the probability of getting offspring that are blue-eyed? (c) What is the probability of getting offspring that are blue-eyed colorblind males? (d) What is the probability of getting offspring that are brown-eyed carrier females? (e) What is the probability of getting offspring that are blue-eyed normal males? (f) What is the probability of getting offspring that are colorblind?

Name: Brown eyes are dominant over blue eyes. This is NOT a sex linked trait
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Description: Brown eyes are dominant over blue eyes. This is NOT a sex linked trait. Cross a brown eyed Color blind male (whose mother had blue eyes) with a normal blue eyed female (whose father was colorblind) 1-Biology ▸«Jose Andrade - Sex linked practice probl

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter14: Chromosomes And Human Inheritance

Section: Chapter Questions

Problem 3GP: Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With...

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Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With respect to X-linked alleles, how many different types of gametes can a male produce? b. If a female is homozygous for an X-linked allele, how many types of gametes can she produce with respect to that allele? c. If a female is heterozygous for an X-linked allele, how many types of gametes can she produce with respect to that allele?
7. The ability to roll your tongue (R) is dominant to lack of this ability (r). A. What is the genotype of a man who can roll his tongue if his father couldn’t? B. If a man who is heterozygous for tongue rolling marries a woman who is heterozygous, what would you predict for the genotypes and phenotypes of their children?
1. How many different types of gametes can be produced by an individual with the genotype Yy Ww Pp ee Bb? 2. If an individual with the genotype Yy Ww Pp ee Bb is crossed with another individual with the same genotype, what proportion of offspring will be homozygous recessive at all genes? 3. If an individual with genotype Yy Ww Pp ee Bb is crossed with an individual with the same genotype, what proportion of offspring will have the dominant phenotype for the four heterozygous loci?
Brown Enamel of the teeth is a well-known sex-linked dominant trait. Showing ALL work using punnett squares, determine the genotypes of offspring for the following matings: A.) The father of a family has a defect, but the mother does not and does not carry it. B.) The father has the defect, and the mother is heterozygous for it. C.) The father does not have the defect and the mother is homozygous for it. D.) The father does not have the defect and the mother is heterozygous.
Black eye (B) is dominant over brown eye (b). A man that is a homozygous dominant black-eyed marries a woman that is a heterozygous black-eyed. The offspring resulted to 50% homozygous black and 50% heterozygous black. If one of their heterozygous children marries another heterozygous partner. Regardless of its gender, what are the genotypes of their children? a. 25% BB, 50% Bb, 25% bb b. 50% BB, 25% Bb, 25% bb c. 25% BB, 25% Bb, 50% bb d. 0% BB, 75% Bb, 25% bb In Law of Codominance, a pure line dominant trait crossed with a recessive trait will result to the appearance of both dominant and recessive trait in the offspring. What is the percentage of having a red-haired offspring if the parental genotype is both a heterozygous roan haired? Red hair is a dominant trait and white hair is a recessive trait. a. 100% b. 75% c. 50% d. 25% e. 0%
4. The ruffed chicken has an under-chin wattle. A smooth wattle (S) is dominant over a wrinkled wattle (s). A red wattle (HR) is incompletely dominant with a white wattle (HW) so that an individual with HRHW will have a pink wattle. A chicken with a wrinkled red wattle is mated to a homozygous chicken with a smooth white wattle. What is the genotype and phenotype of the chicks?
5. Woody Guthrie, who wrote This Land is Your Land, was heterozygous for Huntington’s disease (Hh). His wife was homozygous recessive and perfectly normal (hh). Huntington’s disease is caused by a latent dominant gene, meaning that it is not phenotypically (physically) expressed until later in life. Dominant disease genes are expressed in homozygous dominant and heterozygous people (HH or Hh). Draw a Punnett square for Woody ad his wife.
A mother who is heterozygous for an X-linked recessive trait haschildren with a man who has the trait. What percentage of theirdaughters will exhibit the trait?a. 0% d. 75%b. 25% e. 100%c. 50%
5. Brown eye color is an example of a while heterozygous is an example of a 1. Genotype; phenotype 2. Phenotype; genotype
18. What would be the expected genotypic ratio in the offspring of a mating between two heterozygotes ? 1. 1 LL: 1II 2. 3 dominant phenotype: 1 recessive phenotype 3. 1 LL: 2LI: 1II 4. 3 LL: 1II
BbRrppMm X bbRrPpMM: probability of producing an individual that is dominant for B & M and recessive for R and P?
A. Tongue rolling (T) is dominant over non-tongue rolling (t). Right handedness (R) is dominant over left (r). A non-tongue rolling, left-handed woman marries a tongue rolling, right-handed man who is heterozygous for both traits. What are the possible genotypes and phenotypes of the offspring? B. A tongue rolling, right-handed man marries a non-tongue rolling, right-handed woman. Their first child is non-tongue rolling and left- handed. What are the genotypes of the parents? Mom: Dad: C. A non-tongue rolling, right-handed man whose mother was left-handed marries a tongue rolling, right- handed woman whose mother was non-tongue rolling and left- handed. What are the possible genotypes and phenotypes of their children? D. In man, a certain type of deaf mutism is recessive. Let (D) be normal and (d) be deaf-mute. A normal, right-handed man married a normal, right-handed woman. They had a child who was a left-handed deaf-mute. What were the genotypes of the parents?…