Many people are surprised to learn that,while each individual’s fingerprints are unique, the totalnumber of fingerprint ridges is highly heritable, about 90%heritability in many populations. What does high heritabilityof this trait mean?

Many people are surprised to learn that,while each individual’s fingerprints are unique, the totalnumber of fingerprint ridges is highly heritable, about 90%heritability in many populations. What does high heritabilityof this trait mean?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter18: Genetics Of Behavior

Section: Chapter Questions

Problem 14QP: A pedigree analysis was performed on the family of a man with schizophrenia. Based on the known...

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The geno. pe/s of people with freckles is/are: The genotype/s of people without freckles is/are:_ O Freckles: FF; No freckles: Ff, ff O Freckles: FF. Ff; No freckles: ff O Freckles: FF ff: No freckles: Ff O Freckles, f No freckles: FF, Ff
Phenylthiocarbamide (PTC) is an organic compound that either tastes extremely bitter or is tasteless, depending on the genotype of the taster. The tasting allele (T) is dominant over the non-tasting allele (t). Normal skin pigmentation (N) is dominant over albinism (n). (It is important to note that this example of PTC tasting cannot be explained with simple genetics, but for the purpose of this question, assume that it can.) A normally-pigmented woman who cannot taste PTC has an albino father. The woman married an albino man who can taste PTC and whose mother cannot taste PTC. For the married couple, 1. correctly identify their genotypes, 2. complete a Punnett square showing the expected offspring of the couple, and 3. identify the genotypic and phenotypic ratios of their offspring
Two alleles relate to melanin production A or a, where albinism is the expression of the recessive trait. If Tom is an Albino, but neither of his parents are, then what must both of their genotypes be? Group of answer choices []: AA []: aa []: None of the other answers are true []: Aa
A curious polymorphism in human populations has to do with the ability to curl up the sides of the tongue to make a trough (“tongue rolling”). Some people can do this trick, and others simply cannot. Hence, it is an example of a dimorphism. Its significance is a complete mystery. In one family, a boy was unable to roll his tongue but, to his great chagrin, his sister could. Furthermore, both his parents were rollers, and so were both grandfathers, one paternal uncle, and one paternal aunt. One paternal aunt, one paternal uncle, and one maternal uncle could not roll their tongues.a. Draw the pedigree for this family, defining your symbols clearly, and deduce the genotypes of as many individual members as possible.b. The pedigree that you drew is typical of the inheritance of tongue rolling and led geneticists to come up with the inheritance mechanism that no doubt you came up with. However, in a study of 33 pairs of identical twins, both members of 18 pairs could roll, neither member…
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