In a population, the sum of the relative frequencies of all alleles for a particular trait is

In a population, the sum of the relative frequencies of all alleles for a particular trait is equal to 100 percent. equal to the number of alleles for the trait

Explanation:

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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