How much genetic information is carried in a pollen grain compared to a regular cell in one of the plants leaves?

half

Explanation:

Pollen is composed of pollen grades which are microgametophytes of seed plants. This is one of two alternating phases in the life cycle of plants and algae. From these, the male gametes, also known as sperm cells will develop. As all gametes are haploid, the pollen grain will thus contain half of the genetic material found in a regular plant cell.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

the answer is d.) homologous; have mammary glands