Duchenne muscular dystrophy (DMD) is caused by a gene on the human X chromosome. The patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. They rarely live past their 20s. How likely is it for a woman to have this condition?
A) Women can never have this condition.
B) One-half of the daughters of an affected man could have this condition.
C) One-fourth of the children of an affected father and a carrier mother could have this condition.
D) Very rarely would a woman have this condition; the condition would be due to a chromosome error.
E) Only if a woman is XXX could she have this condition.
World human population growth through history illustrates an exponential growth pattern.
Diffusion spectrum MR image of human brain
A single crossover inserts F at a specific locus, which then determines the order of gene transfer
human ear
human genome percentage
Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth