2. If a woman who has no dimples (recessive) and is homozygous free earlobes (dominant) has children with a man who has dimples and has attached earlobes (heterozygous for both traits), what is the probability of them having each of the following types of children? (Fill in the Punnett Square and the blanks). Parents' genotypes X d. How many no dimples, not attached earlobes e. How many dimples, attached earlobes

2. If a woman who has no dimples (recessive) and is homozygous free earlobes (dominant) has children with a man who has dimples and has attached earlobes (heterozygous for both traits), what is the probability of them having each of the following types of children? (Fill in the Punnett Square and the blanks). Parents' genotypes X d. How many no dimples, not attached earlobes e. How many dimples, attached earlobes

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Description: 2. If a woman who has no dimples (recessive) and is homozygous free earlobes (dominant) haschildren with a man who has dimples and has attached earlobes (heterozygous for both traits), whatis the probability of them having each of the following type

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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For each genotype listed, what allele combinations will occur in gametes? a. AABBCC b. AaBBc c. AaBBcc d. AaBbCc
A heterozygous individual has a _______ for a trait being studied. a. pair of identical alleles b. pair of nonidentical alleles c. haploid condition, in genetic terms
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?
Brown eyes are dominant over blue. This is NOTA sex-linked trait. If a blue-eyed colorblind woman marries a normal visioned man who is homozygous for brown eye color, what kind of children might they expect with respect to these two traits? 5. Genotype of woman _Genotype of man What two genotypes are possible in the children? If one of the sons in turn marries a heterozygous brown-eyed, normal visioned woman, not a carrier, what kinds of children might they expect? Genotypes Phenotypes
5. A woman who is a carrier for colorblindness marries a colorblind man. The woman nas 5 nngers on each hand and the man, whose father had father had 5 fingers, has 6 fingers. (Polydactyly-have 6 fingers on each hand-is inherited as an autosomal dominant trait. What percent of their children do you expect to be colorblind with 5 fingers? man with type AB blood is married to a woman with type O blood. They have 2 natural children 01one adopted child. 'One child has type A blood, one has type B blood and the other has type O blood. Whi s adopted?
26. Given that E=unattached earlobes and e=attached earlobes, which of the following best describes an individual that is homozygous recessive for this trait? 1. Attached earlobes; Ee 2. Attached earlobes; ee 3. Unattached earlobes; EE
4. Brown eyes are dominant over blue eyes. This is NOTA 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 Phenotypes 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.) What is the probability of getting offspring that are blue-eyed? What is the probability of getting offspring that are blue-eyed colorblind males? What is the probability of getting offspring that are brown-eyed carrier females? What is the probability of getting offspring that are blue-eyed normal males? What is the probability of getting offspring that are colorblind?
1. Muscular dystrophy is an x linked recessive disorder. If two of the four offsprings have muscular dystrophy and the other two are normal, predict the genotype of the parents. The offsprins are all boys and the parents appear normal. 2. At age 50, the girl is bald and the boy is not bald. They are twins. What is the genotype of the girl? Predict the genotype of the parents of the twins.
6 Huntington's disease causes damage to the nervous system. It is an inherited condition caused by a dominant allele (H). Only individuals who are homozygous for the recessive allele (h) are protected from the disease. The diagram shows the inheritance of Huntington's disease in a family. A F G H K M N Male Female Male with Female with Huntington's disease Huntington's disease (a) Complete the table to show how many people in the diagram fit each description. The first one has been done for you. Number of people who fit the description Description male 7 female with Huntington's disease homozygous recessive heterozygous homozygous dominant
4. In humans, brown eye color (B) is dominant to blue eye color (b). A woman who is homozygous dominant has children with a heterozygous man for this trait. Complete a Punnett Square and report the genotypic and phenotypic ratios of their possible children in the space provided.
2. Can a color-blind female have a son that has normal vision? Color blindness is caused by a sex-linked recessive allele. Explain. Do the Punnett square. *use N = normal vision and n = color blind over X and Y chromosomes. 3. Muscular dystrophy is a sex-linked trait. What parental genotypes could produce a female with=muscular dystrophy? Do the Punnett square. *use M = normal muscles, and m = muscles missing dystrophin protein over X and Y chromosomes. 4. In humans, red-green color-blindness is due to a recessive gene X^c. Normal vision results from the dominant gene X^c. If a homozygous woman of normal vision marries a color-blind man, what type of vision will be expected in their children?
3. Huntington's disease is an autosomal dominant condition in humans. The disease is often not diagnosed until adulthood, sometimes after the person has had children (and possibly passed the Huntington's allele to their children). People with Huntington's disease are usually heterozygous and not homozygous dominant. Assume that a person with Huntington's disease has a child with a person who does not have Huntington's disease. What is the probability that the child will have Huntington's disease? Support your answer with a Punnett square (on next page). 1