Organisms that have two identical alleles for a particular trait are said to be

Homozygous

Explanation:

The obvious traits in living organisms are usually controlled by molecular structures called GENES. A gene exists in two contrasting forms called ALLELES. Based on this, there are two different alleles for two different traits in a gene.

An organism that contains the same/identical alleles for a particular trait is said to be genotypically HOMOZYGOUS while an organism that possesses two different alleles for a particular trait is said to be HETEROZYGOUS.

For example, height trait controlled by a single gene that possesses two alleles: T for tallness and t for shortness. An organism that has two identical alleles e.g TT and tt is said to be homozygous for that trait while an organism that possesses Tt is heterozygous.

it would be rhyolitic hope this

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.

i hope this : )