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MAXImum [283]
3 years ago
12

Which of the following is an example of how a species may change over time?

Biology
1 answer:
allsm [11]3 years ago
5 0

Answer: possibly A

Explanation: B an C are not it because they are more like mutations. D humans don’t always become immune.

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it important to know a person's rhesus factor before a blood transfusion? A patient who is Rh+ can receive only Rh– blood. A pat
timofeeve [1]

The right answer is A patient who is Rh– can receive only Rh– blood.

The blood group is not the only thing that matters, it adds a category: rhesus. Rhesus refers to a red blood cell antigen that is on their wall. There are two blood group systems: Rh positive (Rh +) and Rh negative (Rh-).

Rhesus is positive in people who have this antigen. It concerns the majority of the population. Negative rhesus refers to people without the antigen. This rhesus factor is especially useful to know if a blood transfusion is feasible between two people.

The blood transfusions can be "iso-rhesus", that is to say between Rh + and Rh- but only in one sense: Rh- can give to Rh + but Rh + can not give to Rh-. Again because of the presence of antibodies directed against the antigen in Rh- people.

4 0
3 years ago
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How are autosomal traits usually inherited?
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Answer: they can be either dominant or recessive

Explanation: due to the effects of one Gene are usually inherited in a simple mendelian pattern.

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3 years ago
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Which of the following determines the carrying capacity of a particular population by an ecosystem?
Elza [17]
Limiting factors determine the carrying capacity Hope this helps :)
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3 years ago
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How to do this please need help
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How does dna polymerase add dntp monomers to the growing chain?
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The 3′ carbon of the DNA chain forms a covalent linkage with the phosphate group on the 5′ end of the dNTP. ... The system detects mutations because they produce an irregularity in the DNA molecule.

Explanation:

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