Unlike identical twins, fraternal twins

a. are always the same sex

b. are produced from two identical embryos

c. result from two eggs fertilized by two different sperms.

d. is wrong

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Which is one example of a phenotypic change that is not genetic