Answer:
1. are heterozygous for the disease.
Explanation:
<em>Since the disease causes the death of chicks before hatching, it means that those with the disease cannot be found in the population. In order for the allele of the disease to be passed from generation to generation, there must be parent birds that are carrying the disease in heterozygous state.</em>
Option 1 is the correct option.
A sperm and egg combine to make a zygote. (or fertilized egg)
So, the answer would be "A".
I hope this helps!
~cupcake
Answer:The gene Y 11 is only partially dominant over y 11 ; thus heterozygote Y 11 y 11 plant has ...
Explanation:they have it i their genes
Answer:
<em><u>FACT</u></em>
Explanation:
<h3>Cells as Building Blocks</h3>
<h3>A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms</h3>