Expression of the a and b antigens on red blood cells is influenced by the fut1 gene. this gene encodes fucosyl transferase, an enzyme that produce the h substance. which of the following statements about the h substance is incorrect? expression of the a and b antigens on red blood cells is influenced by the fut1 gene. this gene encodes fucosyl transferase, an enzyme that produce the h substance. which of the following statements about the h substance is incorrect?

really dont know just need some points

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.

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