15. How does a mother's age affect the likelihood of her having a baby with Down syndrome? A. The likelihood increases substantially after age 40.
b
The likelihood decreases substantially after age 40.
C. Age has no effect.

d The likelihood increases at first, then decreases after age 20.

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow

Pls the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.