A woman who is heterozygous for an allele that results in X-linked pattern baldness marries a man who is nonbald. Which of the following would be true of their offspring?
A. All would be bald
B. All of the females would be nonbald, all males would be bald
C. All of the females would be nonbald, ½ of the males would be bald
D. ½ of females would be bald, and ½ of the males would be bald
E. All would be nonbald
C
You might also like to view...
Which of the following homonid species demonstrated bipedalism but still spent time living in the trees?
A. Dryopithecus B. Australopithecus afarensis C. Ardipithecus ramidus D. Australopithecus africanus E. Homo habilis
Yeast consume garbage and other dead organic matters, so they are called this
A) Primary consumers B) Producers C) Decomposers D) herbivores
The first repair of mistakes during DNA replication is made by:
A: the mismatch repair system. B: excision repair. C: DNA polymerase. D: SOS repair. E: postreplication repair.
Choose the true statements about the evolution of larval dispersal in marine snails.
_____ The evolution of non-dispersing snails is likely to hinder speciation. _____ Clades of non-dispersing snails are less species rich than those of dispersing snails. _____ Loss of structures in the transition from dispersing to non-dispersing may inhibit evolutionary reversal. _____ Possession of dispersing larvae is the ancestral state in snails. _____ Cladistics shows that there are more instances of the transition from dispersing to non-dispersing larvae than the reverse.