1. An allele is a form of a gene. In the cross HhSs x hhss, how many alleles does a kitten inherit from the father? 2.
3
1
4

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: