GENETICS Flashcards
if two flowers reprod and carry the dominant gene for purple colouration and the recessive gene for white colouration, what is the likelihood a purple flower will be expressed?
75%
how does an epigenetic change differ from a mutation?
alteration of gene activity without structurally changing the gene itself
what are 3 of the main types of evid to estimate the heritability of some behaviour?
similarities between adoptees and bio parents
comp between MZ and DZ twins
examination of genes that might vary between ppl assoc w/ certain characteristics of beh
approx what % of DNA is thought to be involved in protein synthesis?
2%
during the Dutch hunger winter, if a child as malnourished in early gestation, what occurred?
+susceptible to diabetes related disorders
offspring had inc birth weight
+likely suffer from obesity in adulthood