In mice, color coat (C) is dominant to white coat (c). Short legs (S) are dominant to long legs (s). If two parents are heterozygous for both traits cross, what would be the phenotypic ratio of the offspring? 1. 1:2:1:2:4:2:1:2:1
2. 1:1:1:1
3. 4:4:4:4
4. 9:3:3:1

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.