Flashcards in Quiz 6 Deck (9)
What is non-random mating?
What is inbreeding depression?
a decline in average fitness due to increase homozygosity
How does homozygosity decrease fitness?
there are many recessive alleles
What is sexual selection?
a type of natural selection that favors individuals who have a combination of heritable traits that are most useful in obtaining a mate
What is sexual dimorphism?
when males are physically distinct from females
What is the bateman-trivers theory?
"eggs are expensive, sperm are cheap"
What is "asymmetry of sex"?
females invest a lot in each offspring, males dont
What is male-to-male competition?
relies on physical beauty, parenting skills, and strength