In conducting a common garden experiment with ragweed plants from two populations you calculate phenotypic and genotypic variance estimates on plant height. What is the broad sense heritability of plant height in the two populations

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explanation:

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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