Non-Random Mating Flashcards
Hardy Weinberg Equilibrium
Assumes that individuals choose their mates randomly within the population
What does non-random mating affect?
Genotypic frequencies, but not allelic frequencies
Random Mating
The probability of mating with individuals with a particular genotype is equivalent to the proportion of individuals with thtat genotype in that population
3 Main Behavioral Processes in Non-Random matin
- Positive Assortive mating
- Negative Assortive mating
- Inbreeding or consanguineaous mating
Positive Assortive Mating
Peiple with similar pohenotypes choose on another mates more often that expected by change
What does Positive Assortive Mating do?
Increase homozygosity
Negative Assortive Mating
People of dissimilar phenotypes mate together
What does Negative Assortive Mating do?
Increases heterozygosity
Inbreeding
Relatives mate with each other more often than expected
What does Inbreeding do?
Increase homozygosity
Childhood Familiarity Theory
People who have been closely associated with each other since childhood are less likely to be sexually attracted to each other
Inbreeding Theory
Focuses on the potentially damaging consequences of inbreeding
The closer the degree of inbreeding, the more ________ the genetic effects
Harmful
COnsanguineous matins increase the probability of:
Homozygous recessive genotypes
