Answer:D
Explanation:
Both parent are Heterozygous for the sickle cell allele.
Both parent have sickle cell trait in which the both posses one abnormal allele of the hemoglobin beta gene (AS heterozygous genotype)
When two AS parents mate, probability of giving birth to a sickle cell anemia child is 1/4
AS + AS= AA, AS, AS, SS
Conclusion this is how the nervous system in human
Answer:
Check for chloroplasts for a plant cell and look for mitochondria's for an animal cell
If a pair of Organisms are capable of producing fertile offspring in nature they must belong to the same species