D. Mutations will always impact an individual on some level
Most of these seem accurate or at least close to being accurate on how mutations affect genes however, some mutations won’t always impact an individual because some mutations are so minor. But this is my best guess
Look at the back of rhe book
Answer
46 chromosomes
Explanation Diploid cells do not have a set number of chromosomes that depends on the species. Diploid means that the chromosomes in the cell are in pairs ie two of each type. A human diploid cell has 46 chromosomes in 23 pairs.
In humans, it takes about four days for a zygote to become a morula and another three days until the embryo attaches itself to the mother's uterine wall.