Do you have a like text book for this for me to answer?
Because it has no scientific explanation. As a matter of fact it has no explanation.
The things that black cats cause bad luck are a myth, and do not have any proof or explanation, meaning it cannot be concluded neither as a hypothesis nor scientific.
Hope it helped,
BioTeacher101
A haploid cell is one that contains one set of complete chromosomes.
FSH is secreted by the Pituitary Gland... upon GNRH being secreted by the Hypothalamus.