Answer:
Recessive alleles are usually represented by lowercase letters and require two copies to be expressed
Explanation:
The probability of the guine pigs blend black is 2-3
Answer:
This nucleus then acquires <u><em>one </em></u>electron to become electrically neutral.
Explanation:
Fusion :It is nuclear reaction which two or more than smaller nuclei combines together to form heavy nuclear.
A neutron combines with proton in order to make heavy electron that is fusion reaction is taking place.

The overall charge in the nucleus will be +1.And in order to neutralize this positive charge the nucleus will acquire single electron to become electrically neutral.
Answer:
invertebrates. animal's without backbone.
verterbrates- animals with backbone