For a gene with two possible alleles, if the frequency of the dominant allele is 0.75, what is the frequency of the recessive allele?
a. 0.75
b. 1.0
c. 0.25
d. 0.50
e. 0

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex

During binary fission, what events must occur before the cell splits into two new cells?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.