Can a male be a carrier for a x-linked disease? 1. there is no way to predict
2. Yes, if the males father and mother were carriers
3. yes, if the trait is recessive
4. no, males have only a single copy of sex-linked traits

What is the genotype for the following phenoytpe: a male fruit fly that is heterozygous for eye color and homozygous dominant for wing size. a eeww b eeww c eeww d wewe

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above