Ex 2 - Pop'n Genetics, Modified/Extended Mendelian

Question 1

Community of individuals that interbreed to produce offspring and provide parenting functions

Answer 1

Population

Question 2

What are the three characteristics of a population

Answer 2

1) interbreed, 2) produce offspring, 3) provide parenting fxns.

Question 3

Transmission of genes & alleles within a community of individuals that are interbreeding

Answer 3

Mendelian

Question 4

represents absolute genetic discontinuity

Answer 4

species

Question 5

a look at populations and how they change over time

Answer 5

evolution

Question 6

diploid individuals, randomly mating; no mutation, migration, or natural selection

Answer 6

ideal population

Question 7

what does an ideal population predict?

Answer 7

1) allelic frequencies determine genotypic frequencies
2) allelic frequencies do not change
3) equilibrium is neutral

Question 8

why use ideal population if they never occur?

Answer 8

to use as a model

Question 9

why is a large sample size necessary?

Answer 9

statistical validity

Question 10

do individuals in a population use assorted or random mating?

Answer 10

assorted

Question 11

mating where one looks for an individual with similar characteristics as their own.

Answer 11

positive assorted mating

Question 12

mating where individuals looks for individuals with dissimilar characteristics

Answer 12

negative assorted mating

Question 13

what is allelic loss

Answer 13

individual moves out of a population

Question 14

what is allelic gain

Answer 14

individual moves into a population

Question 15

weeding out of undesirable genes/traits

Answer 15

natural selection

Question 16

reproductive survivability is another term for

Answer 16

natural selection

Question 17

what does this ratio indicate? 9:3:3:1

Answer 17

gene interaction

Question 18

what does this ratio indicate? 9:6:1

Answer 18

duplicate interaction

Question 19

what does this ratio indicate? 9:3:4

Answer 19

recessive epistasis

Question 20

what does this ratio indicate? 12:3:1

Answer 20

dominant epistasis

Question 21

When the heterozygote has a phenotype intermediate between the phenotypes of the two homozygotes, the trait is said to display

Answer 21

incomplete dominance

Question 22

heterozygote simultaneously expresses the phenotypes of both homozygotes

Answer 22

codominance