Answer:B) homologous chromosomes trade pieces of dna
Explanation:
Crossing over occurs between two homologous chromosome of sisters chromatid. Crossing over leads to exchange of genetic material between the two sister chromatids leading to recombination.
D) Lagging strand is composed of Okazaki fragments
Answer:
During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
First deforestation takes away trees which help absorb the carbon in the air and second if you burn the trees you release the carbon in the trees
One half of a duplicated chromosome is called a sister chromatid
