When a sperm and egg combine in sexual reproduction, they make a new cell. the new cell will have a. one third the chromosomes from each parent b. half the chromosomes from each parent c. one fourth the chromosomes from each parent d. twice the chromosomes of each parent

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers