Apopulation of snails exhibits two morphotypes- (i) dominant dark color [dd an dd], and (ii) recessive light color [dd].you observe in a population produces 25% homozygous dominant, 43% heterozygous, and 32% homozygous recessive. if there were 100 individuals in the population, how many dominant alleles are present in the entire population

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.