Its B cuz the definition is <span>one of two or more alternative forms of a gene.
</span>
Answer:
The answer to the question is C
Explanation:
It is used for all I and II and III
Explanation:
When you make the cross. You get
HH HH Hh Hh.
So the genotypic ratio - 2:2 which is also 1:1.
The phenotypic ratio - 4. Since Hh and HH are horned organisms. So they only differ in their genotypic make up.
<span>Too little is known about pre-Archean time, from the origin of Earth to 3.8 billion years ago, to divide that period into units.</span>
