It is a rare genetic mutation that both the maternal and paternal partners have to be at least a carrier for the albinism gene.
Answer:
Changes that cannot be reversed are called irreversible changes
Example: if you cook an egg or if something goes bad. these changes can not be reversed.
It would be 10
Atomic number = Number of protons
so, 10 = 10
Option D is your answer.
Hope this helps!