The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [sexual-selection]

The concepts of mate choice and competition over eligible members of the opposite sex in animals, including humans.

7 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4
votes
0answers
110 views

Isn't heritability more important to genic capture than just genetic variance?

Rowe & Houle (1996) give two criteria for the selection of costly female choice: Condition dependence of sexually selected traits High genetic variance in condition Regarding heritability, ...
3
votes
0answers
53 views

Does unequal dominance mean the X-chromosome should be a coldspot for antagonistic variation?

Sexually antagonistic genetic variation, in a simple model, will persist if the benefit to one sex is (near) equal to the cost in the other, otherwise the polymorphism will be selected out of the ...
2
votes
0answers
173 views

Are there any mammals in which polyspermy produces viable zygotes?

Are there any mammals in which polyspermy produces viable zygotes? In the wikipedia page it is mentioned that there is a delicate equilibrium between female defenses against many sperms, which ...
1
vote
0answers
102 views

Why does female's age of puberty inform on mating system?

Reading from Does increased calorie intake cause increase in libido in humans?, @AlexStone says: I'm aware that humans have a dual mating strategy - somewhere between pair bond and casual mating. ...
1
vote
0answers
60 views

Evolution of sexually concordant genetic variation on the X-chromosome

It was theorised in 1984 that sexually antagonistic genetic (SA) variation should more easily evolve on the X-chromosome. This is partly because female beneficial/male deleterious mutations face less ...
-1
votes
0answers
15 views

good genes hypothesis and handicap principle (definition)

I see "good genes hypothesis" and "handicap principle" are often defined in the same manner (e.g., here or here), but I can see they are probably not the same thing. While I can find much information ...
-1
votes
2answers
198 views

Can diet, supplementation and/or drugs affect sexual dimorphism?

After puberty, can certain diets, exercise, and/or possible drugs affect masculine/feminine dimorphism in adults? We know dimorphism and/or morphology is a product of genes, but to what extent can ...