Answer:
Children younger than 5, but especially children younger than 2 years old. Adults 65 years of age and older. Pregnant women (and women up to two weeks postpartum)
Explanation:
b. from the mantle
skeletal,muscular,nervous
A gene codes for a particular protein that is involved in the expression of a trait.
Characteristics determined by single genes are called Mendelian traits.
A pairs with T
C pairs with G
AGCTTACG
TCGAATGC