When huge numbers of species die out in a short period of time, it's known as a mass extinction.
a. true
b. false

Which is required for sexual fissiondiploid cell productionmeiosis

Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white

The first amino acid of a new polypeptide chain is