Mendelian disorder is the known disorder of a single gene
I think its the sunflower family
if i am wrong please tell me!
Not true, certain chemical transmitters stimulate certain receptors
Gametophytes are photosynthetic & have root-like rhizoids.
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.
