It is between A and B.
But if the species is going to be extinct, that means that they are being threatened.
So the answer is B.
Answer:
Explanation: yes would cause problems with the embryo because a sperm and egg have 23 chromosomes each half mom half dad.
Answer:
Blastocyst is an early embryonic stage in mammals otherwise it is a blastula which is followed by development of gastrula. Blastocyst is a hollow ball like structure that develops by repeated cell division from zygote . It is superficially covered by a layer of cells collectively termed trophoblast.
Explanation:
He had the help of various scenarios, graphs, and diagrams.
I hope this helps!