This statement is true.
As the sickle cell allele was a mutation in the cell, but it helped prevented Malaria in the countries close to the equator. As this mutation helped many resist against Malaria and nature did not let this mutation die out because it still helps many people.
The answer is "bb" because a gene must have alleles that are both recessive in order for the recessive trsit to take over.
Answer:
The correct answers are 1) minerals are the components that make up rocks. 2) Minerals can only be identified that make up minerals. 3) Minerals are made of one element or one compound of elements.
Explanation:
I took the test. I got this question wrong but after submitting it, the lesson should me the correct answer.
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