2. an allele w. for white wool, is dominant over allele w for black wool. in a sample of
900 sheep. 891 are white and 9 are black. calculate the allelie frequencies within this
population, assuming that the population is in h-w equilibrium.

i think it is dna, i'm not totally sure but i think it might be.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.