Howard temin and satoshi mizutani discovered that the rous sarcoma retrovirus contains the enzyme reverse transcriptase. why would it be important for the virus to carry its own reverse transcriptase protein? why wouldn't the virus just make it from its reverse transcriptase gene after it infects the cell?

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti