Question

How can genetic principles help advise prospective parents? A boy is terminally ill with a rare genetic disorder called adrenoleukodystrophy (ALD). ALD is caused by a mutation that leads to progressive brain damage, failure of the adrenal glands, and eventual death A pedigree of a family with ALD follows. Which phrase describes the female in the first generation? likely to be heterozygous likely to be homozygous for the dominant allele equally likely to be homozygous dominant or heterozygous likely to be homozygous for the recessive allele

Answer 1

Answer:

Likely to be heterozygous

Explantion:

The female in the first generation would heterozygous for X-linked recessive trait.

Ex. X^CX^c