Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159080
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: Mcgraw-hill Education,
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Chapter 62, Problem 3.2A
Determine the results from a cross of a mother and a father who are both heterozygous for freckles.
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Frank and Susan both have freckles but they're firstborn son Lawrence does not demonstrate the characteristics. What are the most likely genotype of Frank Susan and Lawrence?
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A woman homozygous dominant for albinism marries a man who is homozygous recessive for albinism. What are the possible genotypes and phenotypes percentages for their offspring?
Chapter 62 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 62 - The term _________ is used for a person possessing...Ch. 62 - The term _________ is used for the appearance of...Ch. 62 - The _________ is a genetic tool to simulate all...Ch. 62 - Prob. 4PLCh. 62 - Which of the following represents a dominant human...Ch. 62 - An attached earlobe is considered a recessive...Ch. 62 - A diploid chromosome number of 46 and a haploid...Ch. 62 - The possession of freckles is considered a...Ch. 62 - Single penny tossed 20 times and counting heads...Ch. 62 - Determine the results from a cross of a mother who...
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- Hemophilia is an X-linked recessive gene. A normal woman who is a carrier for hemophilia marries a man with hemophilia. Draw a punnett square of a cross between these two individuals. What are the chances that this couple will have a daughter with hemophilia?arrow_forwardUse the following parents to create a Punnet Square and answer the question. Cross a heterozygous father with a heterozygous mother. (You can use the legend A = normal pigmentation and a = albinism) What will be the phenotypic ratio of the children?arrow_forwardIn a disputed parentage case, the child is blood type O, while the mother is blood type A. What blood type would exclude a male from being the father? Would the other blood types prove that a particular male was the father?arrow_forward
- The given pedigree chart corresponds with generational cystic fibrosis. If individuals III-2 and III-3 were to have a second child, what is the probability that their second child will have cystic fibrosis? arrow_forwardIn a certain animal, black fur is dominant to white fur. Determine the possible offspring from crosses between:arrow_forwardIn the following dihybrid cross: B/b; E/e x B/b; e/e What are the phenotypes of the offspring? 9/16 Black 3/16 brown 4/16 golden 9/16 Brown 3/16 Black 4/16 golden 9/16 Black 3/16 golden 4/16 brown 3/8 Black 1/8 brown 4/8 golden 3/8 golden 4/8 Black 1/8 brownarrow_forward
- In a cross between fair skin, black hair (heterozygous for all these traits) with brown skin, red hair, what is the genotypic ratio of the offspring?arrow_forwardAssume that genes A and B are on two different chromosomes. Describe Mendel’s Law of Independent Assortment by using an individual with the genotype AaBb as an example.arrow_forwardMr. Frosty is a heterozygous 3-snowballed snowman with a button nose (Bbnn) and Mrs Frosty is a short, 2-snowballed snowperson with a homozygous carrot nose (bbNN). Fill in the dihybrid cross beloy to show the probabilities of their offspring.arrow_forward
- A man crosses two pink-flowered four o’clock and obtains seeds which grow into plants bearing the following flower colors: 24 red, 53 pink, and 26 white. From these results, indicate how these colors are inherited and show a diagram of the cross.arrow_forwardIn a cross between two, dihybrid, heterozygous individuals, what fraction of the offspring will be dominant for only the (A) gene?arrow_forwardIn currant moths, their Light color is sex-linked and recessive (d) to dark color (D). Question: What are the genotype and the phenotype of the parents if a certain cross yields ½ dark and ½ light colored females and all dark males? Take note that female moths are heterogametic.arrow_forward
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