According to the punnett square: b represents the dominant gene for blue feathers and b represents the recessive gene for red feathers. two heterzygous birds have one offspring. what percent chance does it have for red feathers

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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light dependent reactions:

light independent reactions:

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