mutations and meosis Flashcards
1
Q
Define the term mutagenic agent.
A
a mutagenic agent is a factor that increases the rate of mutations
2
Q
apart from crossing over and independent segregation what is one other way genetic variation within a species is increased
A
random fusion of gamets
produces new allele combinations
2
Q
what 9is independent segregation
A
different gamete cells get two different independently assorted genes
3
Q
what is crossing over
A
exchange of genes between homologous chromosomes
3
Q
A