Alleles are different versions of genes. I hope this helped :)
Answer:b
Explanation:
In the sealed jars, no flies, maggots, nor eggs could enter, thus none were seen in those jars. Maggots arose only where flies were able to lay eggs. This experiment disproved the idea of spontaneous generation for larger organisms.
The probability of having the first child with long ear lobes is half
The answer you chose is correct becAuse if both parents are heterozygous for a disease that is recessive there is a 25%chance of the offspring inheriting the trait.Ex:
R r
R (RR) (Rr)
r (Rr) (rr) rr is the only outcome that can inherit the disease.
ATP (adenosine triphosphate)