Daughter cell formed from meiosis have 50% the number of that
daughter cells formed from mitosis have. The process that reduces the number of chromsomes is called reductive division.
Explain why this process must occcur.
2007-03-05 08:25:36 · 2 answers · asked by Go Pistons 1 in Science & Mathematics ➔ Biology
Meiosis is the process that reduces the chromosome number to make reproductive cells or gametes. In people, these are the eggs and sperms.
Since reproductive cells will join together to make a zygote that will grow into the new individual, the reproductive cells must have only half of the diploid chromosome number.
Mom's cells - 46 chromosomes; after meiosis, egg has 23.
Dad's cells - 46 chromosomes; after meiosis, sperm has 23.
egg's 23 chromosomes + sperm's 23 chromosomes = zygote's 46 chromosomes .... baby has same number as Mom and Dad.
2007-03-05 08:53:05 · answer #1 · answered by ecolink 7 · 0⤊ 0⤋
This must occur, because humans have 46 chromosomes, and if the daughter cells had the same number as the original cell when the egg combines with the sperm, they will both have 46 chromosomes and then together they would end up with 92 and that would no longer be a human. They have to have a certain number of chromosomes to be able to mate and to even be born, if a child has the wrong number of chromosomes the child might not even be born.
2007-03-05 16:56:54 · answer #2 · answered by Kinka 4 · 0⤊ 0⤋