What physical change can occur for both males and females during early adulthood? a. puberty
b. weight gain
c. flexibility loss
d. gonad growth

the answer is B.

Explanation:

gonad growth isnt inherantly an early-adulthood thing. puberty is not an early-adulthood thing, its more of an adolescent thing, and finally flexibility loss CAN happen but its not exactly super common is early adults.

answer; ///i believe the answer your looking for is (ribosomes);

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.