2. Indicate possible patterns of inheritance for the RARE traits shown in each of the pedigrees below (a-d). Indicate which individuals are definitely heterozygous and possibly heterozygous (give probability). If individual BIII-1 marries individual bIlII-6 what phenotypic ratio would you expect among their offspring? 4 (a) (b) %3D 3 4 (e) (d)

2. Indicate possible patterns of inheritance for the RARE traits shown in each of the pedigrees below (a-d). Indicate which individuals are definitely heterozygous and possibly heterozygous (give probability). If individual BIII-1 marries individual bIlII-6 what phenotypic ratio would you expect among their offspring? 4 (a) (b) %3D 3 4 (e) (d)

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Description: 2. Indicate possibie patterns of inheritance for the RARE traits shown in each of thepedigrees below (a-d). Indicate which individuals are definitely heterozygous andpossibly heterozygous (give probability). If individual BIII-1 marries individual B

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter12: Mendel, Genes, And Inheritance

Section: Chapter Questions

Problem 7TYK: In cats, the genotype AA produces tabby fur color; Aa is also a tabby, and aa is black. Another gene...

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1. Suppose that in plants, smooth seeds (S) are dominant to wrinkled seeds (s) and tall plants (T) are dominant to short plants (t). A tall plant with smooth seeds was backcrossed to a parent that was short and wrinkled. What proportion of the progeny is expected to be heterozygous for tall and smooth? 2. Sickle cell anemia is a recessive trait in humans. In a cross between a father who has sickle cell anemia and a mother who is heterozygous for the gene, what is the probability that their first three children will have the normal phenotype?
1. A cow is heterozygous for three genes (WwPp) where W-White, w-Brown, P-Polled, p-Horned. Give the phenotypic and genotypic ratio of their offspring if the cow is inter se mated. 2.A male Sahiwal (RRHH) is crossed with a female Angus (Rrhh). Where R-Red, r-Brown, H-Horned, h-polled. Give the phenotypic and genotypic ratio of their offspring.
5) Humans who have an abnormally high level of cholesterol are said to suffer from familialhypercholesterolemia.  The gene for this disorder is dominant (C). A man who isheterozygous for familial hypercholesterolemia marries a woman who is homozygousfor the recessive allele. What is the probability that they will have children that sufferfrom this disorder? please draw the puutnet square and also write the parents and gemtaics top the puutnet square thanks
1. A What would be the genotype(s) and phenotype(s) of the offspring when a heterozygous corn plant is bred with a homozygous plant with purple kernels? Show your work in a Punnett square and explain why you would get the proposed offspring (demonstrate your understanding of inheritance in terms of genotype and phenotype). 1. B What would be the genotype(s) and phenotype(s) of the offspring when a heterozygous corn plant is bred with another heterozygous corn plant? Show your "reasoning" with a Punnett square.
1. Fur color of rats is determined by the pathway below. The mating between brown rats of identical genotypesproduced the following offspring: 14 cream-colored, 47 Brown, and 19 albino.Gene B Gene DAlbino  Cream  Browna. What type of inheritance is this?b. What is the genotype of the two parents?c. Complete the cross described above. Identify which genotypes are brown, cream, and albino. Includethe expected phenotypic ratio (brown:cream:albino)
1. Clouded leopards are a medium sized, endangered species of cat, living in the very wet cloud forests of Central America. Assume that the normal spots (XN)are a dominant, sex-linked trait and that dark spots are the recessivecounterpart. Suppose as a Conservation Biologist, you are involved in a clouded leopard breeding program. One year you cross a male with dark spots and a female with normal spots. She has four cubs and, conveniently, two are male and two female. One each of the male and female cubs have normal spots and one each have dark spots. What is the genotypeof the mother? 2. Assuming that after a few years, you cross the female cub that has normal spots with a male that also has normal spots. How many of each genotypewill be found in the cubs (suppose 4)
7. In rabbits, a locus involved in the control of coat colour may be occupied by any of fouralleles: Full colour (C), Sepia (ck), Cream (cd), or Albino (ca). A geneticist counted the numberof Full colour (C), Sepia (ck), Cream (cd) and Albino coat offspring resulting after crossesbetween Sepia (ck) and Cream (cd) coloured coated parents. The results were as follows.• Full colour (C): 152• Sepia (ck): 53• Cream (cd): 39• Albino (ca): 6Mendelian inheritance of this trait predicts that the ratio of Full colour (C) to Sepia (ck) to Cream(cd) to Albino (ca) should be 9:3:3:1. Do the experimental results support this mode ofinheritance?
7. If the a and b loci are 20 m.u. apart in humans and anA B / a b woman mates with an a b / a b man, what isthe probability that their first child will be A b / a b?
Consider a cross to investigate the pea pod texture trait, involving constricted or inflated pods. Mendel found that the traits behave according to a dominant/ recessive pattern in which inflated pods were dominant. If you performed this cross and obtained 650 inflated-pod plants in the F2 generation, approximately how many constricted-pod plants would you expect to have? 600 165 217 468
In cats, the genotype AA produces tabby fur color; Aa is also a tabby, and aa is black. Another gene at a different locus is epistatic to the gene for fur color. When present in its dominant W form (WW or Ww), this gene blocks the formation of fur color and all the offspring are white; ww individuals develop normal fur color. What fur colors, and in what proportions, would you expect from the cross AaWw Aa Ww?
Several alleles affect traits of roses, such as plant form and bud shape. Alleles of one gene govern whether a plant will be a climber (dominant) or shrubby (recessive). All F1 offspring from a cross between a true-breeding climber and a shrubby plant are climbers. If an F1 plant is crossed with a shrubby plant, about 50 percent of the offspring will be shrubby; 50 percent will be climbers. Using symbols A and a for the dominant and recessive alleles, make a Punnett- square diagram of the expected genotypes and phenotypes the cross between the F1 offspring and the shrubby plant.
A true-breeding rabbit with agouti (mottled, grayish brown) fur crossed with a true-breeding rabbit with chinchilla (silver) fur produces all agouti offspring. A true-breeding chinchilla rabbit crossed with a true-breeding Himalayan rabbit (white fur with pigmented nose, ears, tail, and legs) produces all chinchilla offspring. A true-breeding Himalayan rabbit crossed with a true-breeding albino rabbit produces all Himalayan offspring. Explain the inheritance of the fur colors.