Which of the following is true about sexual selection? Question 4 options: It operates contrary to natural selection and is incompatible with it It may involve only one sex of a species It rarely produces odd colors or structures on animal bodies It explains the occurrence of sickle cell disease in humans
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It is not contrary to natural selection but rather a specific mechanism within it. Show more…
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Which of these statements about balancing selection is TRUE? It is possible only in sexually reproducing species. It is responsible for maintaining the S allele for sickle-cell anemia within humans. It is not possible when heterozygotes have a higher fitness. It is why sickle-cell anemia is selected against in areas with high levels of malaria. None of the above. All are false statements.
Adi S.
Which of the following is FALSE about the process of natural selection? Group of answer choices It helps elaborate and diversify traits. Traits that enhance survival and reproduction are passed on to future generations. It can direct and influence evolution. It can lead to the formation of new species. All of the other statements are correct about natural selection.
Which one of the following statements is true? Group of answer choices Natural selection works on non-heritable traits. Organisms only evolve structures that they need. Individuals evolve through natural selection. None of the statements are true. Natural selection works on variation already present in a population.
Nibaal K.
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