If the recessive alleler is lethal, what genotypes will natural selection benefit?

а. RR and Rr

b. RR only

c. Rr and ir

d. R only

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Name the organs of humanelemintary canal.

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.