Answer:
A
Explanation:
Because its not low it be high
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.
The alignment of the earth, moon, and sun during a solar eclipse is Sun, Earth, moon.
There is not any options but the parts of Lac Operon is:
Promoter
Repressor
Operator
Genes
Hope this helps!