Fundementals of evo pt 2

0.0(0)
studied byStudied by 0 people
linked notesView linked note
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/8

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

9 Terms

1
New cards
Genetic drift
Random fluctuations in allele frequencies.
2
New cards
Heterozygosity
The frequency of heterozygotes in a population, defined by the formula H = 2p(1-p), where p is the frequency of one of two alleles.
3
New cards
Census size
The number of individuals that you count in a population, regardless of whether they’re reproducing or not.
4
New cards
Effective population size (Ne)
The number of individuals in an ideal population (where all individuals reproduce) in which the rate of genetic drift would be the same as in the actual population.
5
New cards
Bottleneck
A severe, temporary reduction in population size.
6
New cards
Founder effect
Genetic drift in a small colonizing population.
7
New cards
Inbreeding depression
The decline in fitness and fecundity that occurs when closely related individuals reproduce; increases homozygosity in individuals sharing the same recessive, deleterious alleles.
8
New cards
Neutral theory of molecular evolution
The majority of mutations that are fixed are effectively neutral with respect to fitness and are fixed by genetic drift.
9
New cards
Molecular clock
Evolutionary substitutions at the molecular level that proceed at a constant rate, allowing estimation of relative divergence times based on sequence difference between species.