Which is an example of a genetic disease caused by the combination of genes inherited from each parent?
A. malaria
B. chicken pox
C. Down syndrome
D. sickle-cell anemia

D. Sickle-cell anemia

Explanation:

Sickle cell disease is one of the most common inherited blood disorder. It follows an autosomal recessive pattern, which means that you must have two copies of the recessive allele — one from your mother and one from your father — to have the condition.

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying