Cell walls are made out of cellulose and they give a sturdy structure to the cells (if you notice they have a rectangular shape)
Answer:
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Answer:
<h2>Genetic abnormality</h2>
Explanation:
The genetic disease in which (i) the 23rd pair of chromosomes is always involved, (ii) there are always two chromosomes that comprise the 23rd pair, and (iii) there is always something wrong with one or both of the chromosomes is called a Genetic abnormality.
A genetic abnormality is happens by one or more abnormalities in the genome. It can be occurred by a mutation in a single gene or multiple genes or by a chromosomal abnormality.
I think there will be about three correct answers from the list of choices above. Mutations are random, can be beneficial depending on the environment and that it <span>add new genes to the gene pool. Hope this answers the question. Have a nice day.</span>
