Pedigrees For each of the following pedigrees, give the possible genotypes and t

Question

Pedigrees For each of the following pedigrees, give the possible genotypes and their probabilities for all individuals in the pedigree. For these pedigrees, the trait is a simple recessive disorder. Since it is a rare disorder, we will assume that anyone entering the pedigree (someone whose parents are not in the pedigree) is homozygous, unless there is evidence to the contrary. Remember that for an individual with a diamond shape and"?" inside, we do not know his/her phenotype, so it may be that all are possible. For some individuals, we know their genotype, which are given in the pedigree. Do not use decimals! For gametes, reduce to the smallest common denominator. For genotypes, don't reduce. 4 4 IV

Explanation / Answer

1) gamete frequency 0.50 affected phenotype frequency 0.50

2) gamete frequency 0.50 affected phenotype frequency 0.50

3) gamete frequency 0.50 affected phenotype frequency 0.25

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