In your own words explain how a person may taste the bitterness of PTC by using the following vocabulary worlds in your explanation trait, gene, genotype, phenotypy, and alleles

The taste of PTC is associated with a gene formed by the alleles responsible for tasting and non-tasting. These alleles are extremely important for us to be able to feel the different types of flavors.

The allele that codes for taste, is present in the taste buds of the tongue and can react with PTC molecules, allowing us to feel a characteristic bitter taste for that molecule. On the other hand, the non-gustatory allele is unable to react with PTC molecules. When these two alleles are combined within a genotype, the individual has a phenotype that allows sensitivity to the presence of the PTC flavor.

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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