Your answer would be A
Homologous chromosomes trade pieces of DNA.
When crossing over occurs, segments of non-sister chromatids break and then reattach to the other chromatid.
Answer:
Chloroplasts are organelles that are filled with a green substance known as Chlorophyll. Chloroplasts are what convert water and sunlight into sugar/food, in a process known as photosynthesis. Plants can't hunt or gather food, so they make their own through chloroplast's. The Mitochondria are the powerhouses of cells.
Explanation:
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It is C. Salmonella
(D*mn this length requirement)
Gene flow also know as gene migration is the transfer of genetic variations or characteristics from one population to another. The gene flow can be well illustrated using a flock of geese. A flock of geese migrate and enter into the territory of another flock of geese and start interbreeding. This will result to transfer of the different genes into the off springs.
Hey there!
The purpose of guard cells is to control the opening and closing of the Stomata, keeping it the correct width, or size.
Therefore, your correct answer would be Option 3, control the size of the Stomata.
Hope this helps!