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- As it turned out, one of the tallest Potsdam Guards had an unquenchable attraction to short women. During his tenure as guard, he had numerous clandestine affairs. In each case, children resulted. Subsequently, some of the childrenwho had no way of knowing that they were relatedmarried and had children of their own. Assume that two pairs of genes determine height. The genotype of the 7-foot-tall Potsdam Guard was A9A9B9B9, and the genotype of all of his 5-foot clandestine lovers was AABB. An A9 or B9 allele in the offspring each adds 6 inches to the base height of 5 feet conferred by the AABB genotype. a. What were the genotypes and phenotypes of all the F1 children? b. Diagram the cross between the F1 offspring, and give all possible genotypes and phenotypes of the F2 progenyGiven a cross between AabbCcDdEeFFGgHh x AaBbCcDdEEffggHH, a) how many possible gametes can the first individual produce? b) what proportion of the offspring will phenotypically resemble the first parent? c) what proportion of the offspring will genotypically resemble the second parent? d) how many phenotypes can be expected from the cross?In a population of rabbits, you find three differentcoat color phenotypes: chinchilla (C), himalaya (H),and albino (A). To understand the inheritance of coatcolors, you cross individual rabbits with each otherand note the results in the following table.Cross number Parental phenotypes Phenotypes of progeny1 H × H 3/4 H : 1/4 A2 H × A 1/2 H : 1/2 A3 C × C 3/4 C : 1/4 H4 C × H all C5 C × C 3/4 C : 1/4 A6 H × A all H7 C × A 1/2 C : 1/2 A8 A × A all A9 C × H 1/2 C : 1/2 H10 C × H 1/2 C : 1/4 H : 1/4 Aa. What can you conclude about the inheritance ofcoat color in this population of rabbits?b. Ascribe genotypes to the parents in each of the10 crosses.c. What kinds of progeny would you expect, and inwhat proportions, if you crossed the chinchilla parents in crosses 9 and 10?
- If two genes on the same chromosome exhibit complete linkage, what is the expected F2 phenotypic ratio from a selfed heterozygote with the genotype a + b + ⁄⁄ ab?A cross between two heterozygous individuals in one gene resulted in one phenotype, explain?Let us suppose that two long-winged flies were crossed and that 77 long-winged and 24 short-winged specimens were counted in the offspring. a. Will the short-winged character be dominant or recessive?B. What will the genotypes of the parents be?C. What is the observed genotype ratio?
- If two gene pairs A and a and B and b are assorting independently with A dominant to a and B dominant to b, what is the probability of obtaining: a. an AB gamete from an AaBb individual? b. an AABB zygote from an AaBb x AaBb cross? c. an aaBb offspring from an AaBB x aabb cross? d. a phenotype aB from an Aabb x aaBb cross? e. an ab gamete from an aaBB individual?Cross 1 AaBb x AaBb Cross 2 AaBbCc x AaBbCc a) Please use a branching diagram to find the genotypic ratios of the offspring of cross 1 illustrated above and complete with the resulting genotypes and ratios. How many different genotypes are there in the offspring of this cross? [ ] Genotype ratios for the offspring of Cross 1 (please indicate both the ratio and the genotype for each one: e.g.: 3AABB:1aabb, etc): [ ] b) Please use a branching diagram to find the phenotypic ratios of the offspring of cross 2 and complete below the resulting phenotypes and ratios. How many different phenotypes are in the offspring of this cross [ ] Phenotype ratios for the offspring of Cross 2 (please indicate both the ratio and the phenotype for each one using D and R for dominant and recessive phenotypes respectively, for example 1DDD:2DRR, etc.): [ ] c) What mathematical operation are you using to calculate the ratios for multiple genes and what…Imagine a cross between a man and a woman having the following genotypes: Genotype of the Husband Genotype of the Wife Aa bb Dd Gg Hh RR Tt X Aa Bb Dd gg Hh Rr Tt Assuming that the dominant allele in each gene pair exhibits complete dominance over the recessive allele, what is the probability that this couple would have a daughter who exhibits the recessive phenotype with respect to all seven of the gene pairs?
- In the cross between a female AaBbccDdee and male AabbCcDdee, what proportion of the progeny are expected to be phenotypically identical to the female parent?A man with blood type O (genotype ii) has a father with blood type A and a mother with blood type B. Is this man a legitimate child of these parents? What is a possible phenotype of an individual that results from a woman with type AB blood and a man with type B blood? Explain with diagrams.. What is the probability of producing a child that willphenotypically resemble either one of the two parentsin the following four crosses? How many phenotypically different kinds of progeny could potentiallyresult from each of the four crosses?a. Aa Bb Cc Dd × aa bb cc ddb. aa bb cc dd × AA BB CC DDc. Aa Bb Cc Dd × Aa Bb Cc Ddd. aa bb cc dd × aa bb cc dd