Sex-linked Inheritance

Question 1

How are the alleles for sex-linked traits inherited?

Revolt · Accepted Answer

They are passed from parents to offspring on the X and Y chromosomes.

Question 2

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, if Charles and Marie have a daughter in the future, what is the probability that she will have hemophilia?

Revolt · Accepted Answer

0 percent

Question 3

Error

Revolt · Accepted Answer

A Punnett square is shown. The columns are labeled Upper X r and Upper Y. The rows are labeled x Upper R and x Upper R. Clockwise, from top-left, the boxes include: Upper X Upper R Upper X r, Upper X Upper R Y, X Upper R Upper Y, X Upper R Upper X r.

Question 4

Error

Revolt · Accepted Answer

does not have hemophilia

Question 5

Which allele combination represents a female who is heterozygous for a sex-linked trait?

Revolt · Accepted Answer

XRXr

Sex-linked Inheritance Answers

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