Answer:
A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins.
Explanation:
It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. The genetic or chromosomal abnormality that is correctly matched with its description is this: Phenylketonuria—the child cannot produce a critical enzyme, resulting in an accumulation of <span>poison, in turn causing mental disorder. Hope this helps.</span>
The event which takes place during normal fertilization is zygote formation.
<h3>Which event takes place during fertilization?</h3>
The major event which is characteristic of fertilization is zygote, otherwise termed cell formation in which case, the zygote is capable of undergoing cell division to form a new living cell. The fusion of two gametes necessary for fertilization kick-starts several reactions in the egg.
Read more on zygote formation;
brainly.com/question/1151355
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No only the 2nd energy level hold 8 electrons
Answer:
20
Explanation:
hope it helps and hope im right
(wrong answer)
