The insertion or deletion of a single base pair of dna results in a
a. missense mutation
b. nonsense mutation
c. duplitaion mutation
d. frameshift mutation

Why should the united state be concerned about air pollution in china?

6. in domesticated cats, the following are independently assorting: normal ears (t) is dominant to tufted ears (t); curved whiskers (c) is dominant to straight whiskers (c); the presence of six toes (s) is dominant to five toes (s); gene for hair length is an x-linked codominant. the three phenotypes for hair length are long (xhxh), medium (xhxh), and short (xhxh); medium is the heterozygous condition. given two parents: ttccssxhxh x ttccssxhy how many different gametes could be formed in the female cat with respect to these four traits? how many phenotypes are possible in the offspring from this mating?

What maintain homeostasis when a persons internal body temperature is 97.5°f