Rats fed with a protein-reduced diet during pregnancy resulted in permanent changes in the expression of several genes due to the methylation of specific cytosines during the F1 and the F2 generation. Would this be considered an epigenetic change?
Read DetailsThe presence of a beard on some goats is a sex-influenced characteristic determined by an allele at an autosomal locus Bb. In males, this allele is dominant and in females this allele is recessive. If you cross a homozygous bearded male with a heterozygous beardless female, what are the expected phenotypes for males and females?
Read DetailsThe pedigree below exhibits a trait that is inherited as autosomal recessive, with 100% penetrance and no gene interaction. If individual IV-1 has a child with a male who is a carrier, what is the probability that 3 out of 5 children would be affected? (Source: Discussion #3)
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