Which of the following is NOT one of Gregor Mendel's principles? *
The alleles for different genes usually segregate independently.
O
Some forms of a gene may be dominant.
The inheritance of characteristics is determined by factors (genes)
Crossing-over occurs during meiosis.

Crossing-over occurs during meiosis

Explanation:

Mendel's principles never mentioned directly how the factors seperate, just that it happened during gamate formation, but nothing about how crossing-over occurs during meiosis.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.