BIO120H1 Study Guide - Quiz Guide: Heterozygote Advantage, Frequency-Dependent Selection, Rotifer

292 views9 pages
17 Nov 2016
School
Department
Course
shdhhfhshhpla3806 and 40102 others unlocked
BIO120H1 Full Course Notes
36
BIO120H1 Full Course Notes
Verified Note
36 documents

Document Summary

Rapid purging of deleterious genes from the genome. Passi(cid:374)g o(cid:374) (cid:1005)(cid:1004)(cid:1004)% of a(cid:374) i(cid:374)di(cid:448)idual"s ge(cid:374)o(cid:373)e to the (cid:374)e(cid:454)t ge(cid:374)eratio(cid:374) You observe females of this bird are much more colourful than males. Males invest more time in nest building and chick rearing than females. Males and females that resemble one another. Male cardinals have bright red plumage, and females a dull red plumage. You hypothesize this sexual dimorphic trait evolved due to sexual selection. You compare that males with brighter plumage mate with more females than males with duller plumage. Asexual or sexual- some do both: sexual system. Dioecious: separate sexes in an organism- like humans. Hemaphrodite: mother and father to its own offspring: mating system: Water hyacinth example of both sexual and clonal reproduction: When water levels are high- they clone as seeds would flood away and the water is also full of nutrients that allow clonal propagation.