Answer:
it involves a physical exchange of chromosome segments in the tetrad (3)
Explanation:
def of crossing over
Crossing over is the swapping of genetic material that occurs in the germline
Get the provisions you have, if any and get to the lowest part of your house, ie basement or ground floor, away from windows
The sporophyte are produced before the gametophyte. Is is through the spores that sex cells are made up. The sporophyte contain the genetic material that will used to make the gametes. Therefore, the gametophyte will have half of the genetic material of the sporophyte.
Answer:
Mouse is the secondary consumer. 2,500kg of biomass available.
Explanation:
Answer:
There are four main parts in angiosperms : Sepals, Stamen, Petals, and carpels.The stamen is considered the male portion of the plant and carpel is considered the female one.
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