Answer: Lightening
At the end of the third trimester, the baby drops lower into the woman's pelvis. This is known as dropping, or lightening.
Answer:
Multiple allelism
Explanation:
Multiple alleles occur whereby three or more alternative form of a gene which in this case study are dark gray, chinchilla (a lighter gray), and albino; are all present at a locus but only two of the alleles can be present in just one organism.