for each pedigree (a,b,&c) state yes or no weather transmission of the trait can

Question

for each pedigree (a,b,&c) state yes or no weather transmission of the trait can be accounted for on the basis of each of the listed simple modes of inheritance.

3. In human genetics, the pedigree is used for analysis of The patterns. Females are represented by circles and by following figure presents three 2-generation family pedigrees for a trait in humans. Unaffected individuals are represented by unshaded symbols and affected individuals For each pedigree (A, B, and C, state yes or no transmission of the trait can be accounted for on the basis ofeach of the listed simple modes of inheritance. Pedigree A Pedigree B Pedigree C Autosomal recessive Autosomal dominant X-linked recessive X-linked dominant

Explanation / Answer

Pedigree A- Autosomal dominant

Explanation: Appears in both sexes at equal frequency. There must be an unaffected parent.

Pedigree B- X linked dominant

Explanation: Trait is transmitted from father to daughter.

Pedigree C- Autosomal recessive

Explanation: Expressed in offspring at equal frequency. Both parents contribute a recessive allele to the affected individual.

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