Evolution Chapter 16- Vocabulary

"all the genes present in a population"

• polygenic trait

• single-gene trait

• relative frequency

• gene pool

Tags

NGSS.HS-LS4-2

"occurs when species reproduce at different times"

• temporal isolation

• geographic isolation

• behavioral isolation

• founder effect

"number of times an allele occurs in a gene pool compared to other alleles (percent)"

• single-gene trait

• founder effect

• relative frequency

• gene pool

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

"occurs when two populations are capable of interbreeding but do not due to different courtship rituals or behavior"

• behavioral isolation

• geographic isolation

• temporal isolation

• genetic equilibrium

"a trait controlled by a single gene with two alleles (either you have the trait or you don't)"

• relative frequency

• single-gene trait

• temporal isolation

• polygenic trait

"occurs when two populations are separated by geographic barriers such as mountains or bodies of water"

• behavioral isolation

• geographic isolation

• temporal isolation

• stabilizing selection

"a trait controlled by two or more genes, each with two or more alleles"

• relative frequency

• single-gene trait

• polygenic trait

• genetic drift

"when the members of two populations cannot interbreed and produce fertile offspring"

• reproductive isolation

• genetic equilibrium

• founder effect

• Hardy-Weinberg principle

"selection against one extreme"

• genetic drift

• directional selection

• stabilizing selection

• founder effect

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

"the formation of new species (must be reproductively isolated)"

• founder effect

• Hardy-Weinberg principle

• genetic drift

• speciation

Tags

NGSS.HS-LS4-4