During a study session about evolution, one of your fellow students remarks, "The giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result." Which statement is most likely to be helpful in correcting this student's misconception?
A) Characteristics acquired during an organism's life are generally not passed on through genes.
B) Spontaneous mutations can result in the appearance of new traits.
C) Only favorable adaptations have survival value.
D) Disuse of an organ may lead to its eventual disappearance.

Question

Quizplus · Accepted Answer

The statement made by the student reflects the idea of Lamarckian evolution, which has been proven incorrect. The correct statement, supported by Darwin's theory of Natural Selection, is that the giraffes with longer necks were more likely to survive and reproduce, passing on their advantageous genes to their offspring. Therefore, the best answer to correct the student's misconception would be to remind them that acquired characteristics are generally not passed on through genes.

During a Study Session About Evolution, One of Your Fellow