L Which can lead to the depletion of the ozone layer of the Earth?
A)
coal-fired power plants
B)
vehicle exhaust
burning compost
D)
aerosols

As a small change in a person's dna can cause a genetic disorder

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?

Name the organs of humanelemintary canal.