Only once because the DNA replication initiation is tightly linked to cell cycle progression,ensuring that replication occur only once per cycle
The correct answer for this question would be the last option. The statement that best describes the reproductive life cycles of ferns and angiosperms is this: <span>The dominant sporophyte phase in the life cycles of both ferns and angiosperms includes the formation of leaves, roots, and stems. Hope this helps.</span>
There is a 50/50 chance of there being a male or female. The mother puts off the X chromosome, while the father is the factor that can make the gender. The X chromosome is female, while the Y chromosome is the male. The father can either put off the X or Y.