How are sex-linked traits inherited?

Duchenne muscular dystrophy is an X-linked recessive disorder.

A Punnett square is shown. The columns are labeled Upper X m and Upper Y. The rows are labeled x Upper M and x m.

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?

they have sperm in my gf's mouth

explanation:

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

c should be the answer