Each form of a gene is called an allele. Two kinds of alleles for human blood include A and O. The allele for type A blood is dominant to the type O allele. The allele for type O blood is recessive. Which of the following explanations best describes which blood type a person will have if he inherits one allele for type A from his mother and one allele for type O from his father?

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.

it should be briana that has it to me

the scientific method.