If a tongue cell in an human has 20 chromosomes, how many chromosomes will be found in its sperm cells? 20
40
10
5

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false