What do sexual reproduction, mutation, and crossing-over generate in a population?
a- meiosis
b- genetic diversity
c- uniformity
d- gametes

Dna replication occurs in preparation for

Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial

Why does sexual reproduction increase the genetic variation in a species? a. sexual reproduction doubles the chromosome number. b. sexual reproduction produces organisms with no dna. c. the gametes in sexual reproduction are exact clones of the parents. d. a fertilized egg has a mixture of alleles from the two parents.