Question 4 of 10 In a certain plant, yellow leaves are dominant (Y) and red leaves are recessive
Wy). A plant with genotype Yy and a plant with yy are crossed. If they have four
offspring, how many would you predict would have red leaves? (Hint: Draw a
Punnett square to help you determine the answer.)
A. 3
B. 4
C. 1
O O
D. 2

b.have there own function.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

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.