Which sentence best expresses a main idea stated in mendel's law of segregation?
a. organisms inherit two copies of each gene, but donate only one copy to each gamete
b. parents each donate two gametes, but only one is inherited by the next generation
c. organisms inherit more traits from the female parent than the male
d. parents each donate four alleles for each gene passed on to the offspring

a. possible errors

d. new questions

explanation:

predictions and planning happen before. a summery comes after. errors you get after investigation and new questions propose what you can look for in the future.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.