Sex-linked Inheritance — Unit test Answers

How are the alleles for sex-linked traits inherited?

Which pedigree symbol is used to represent a female carrier of a recessive X-linked trait?

Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree. What is the probability that a female child of Charles and Marie would suffer from hemophilia?

Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree. Based on the pedigree that is shown, which describes John?

Which symbol is used to label a male that expresses a sex-linked disorder on a pedigree?

Hemophilia is an X-linked recessive disorder. What is the probability of the offspring having hemophilia for the cross that is shown in the Punnett square?

Which statement is always true when describing sex-linked inheritance?

Which is not considered a sex-linked trait?

Which combination of alleles are always involved in the inheritance of a sex-linked trait?

Duchenne muscular dystrophy is an X-linked recessive disorder. What is the probability that a female offspring of the cross that is shown above would have a recessive allele for Duchenne muscular dystrophy disorder?