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Evolution

The Rh factor is a protein found on surface of blood cells that is used in blood typing. The Rh+ allele codes for surface protein and is dominant to Rh- allele, which does not code for protein.
If re were a change in environment that greatly reduced fitness of Rh- individuals, what would you expect to happen to frequencies of Rh+ and Rh- alleles?

No significant change in the allele frequencies is expected. Rh- alleles will eventually be eliminated from population. The Rh+ allele frequency will increase, while the Rh- frequency will decrease. The Rh- allele frequency will increase, while the Rh+ allele frequency will decrease.

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The Rh+ allele frequency will increase, while the Rh- frequency will decrease.

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Evolutionary biologists maintain that glycolysis is a metabolic pathway that evolved on earth prior to the divergence of life on planet Earth into different domains.<br> Which of the following statements best<b> </b>supports this hypothesis?</h2></div>

Which of the following statements is true?</h2></div>

The Rh factor is a protein found on the surface of blood cells that is used in blood typing. The Rh+ allele codes for the surface protein and is dominant to the Rh- allele

which does not code for the protein.<br> <span>If there were a change in the environment that greatly reduced the fitness of Rh- individuals

what would you expect to happen to the frequencies of the Rh+ and Rh- alleles?</span></h2></div>

Evolution

Biology-MCQS

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