Author Question: If a trait is inherited in an autosomal recessive fashion, which of the following is not true? (Read 34 times)

wenmo · **on:** Jul 17, 2021

Question 1

If a pedigree of several generations shows only females affected by a particular trait, what can be ruled out?
◦ Autosomal recessive inheritance
◦ X-linked dominant inheritance
◦ Y-linked inheritance
◦ X-linked recessive inheritance
◦ None of these can be ruled out

Question 2

If a trait is inherited in an autosomal recessive fashion, which of the following is not true?
◦ Both sexes are equally affected.
◦ The trait will not occur in offspring if one of the parents is homozygous dominant.
◦ About one-fourth of the offspring of two heterozygotes will be affected.
◦ The trait often appears in the progeny of unaffected parents.
◦ Two affected individuals can have an unaffected child.

Zebsrer · **Reply #1 on:** Jul 17, 2021

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