17. Experiential canalization differs from earlier theories of canalization beca

Question

17. Experiential canalization differs from earlier theories of canalization because it a) suggests that genes have a protective effect against bad environments b) suggests that children are not very resilient c) places less emphasis on genetic determination and more on environmental influence d) emphasizes the evocative role that genes can play in behavior 18. During meiosis, the process known as crossing over ensures that a) there is a new and unique shuffling of genes from the mother and the father b) dominant genes do not match up with recessive genes c) the proper number of chromosomes goes to each new cell d) genes for diseases are not passed on to the new cells 19. Which of the following statements about sex determination is TRUE? a) Females can only pass on Y chromosomes to their eggs b) Half of a woman's eggs contain an X chromosome and half contain a Y chromosome c) Males can only pass on X chromosomes to their sperm d) Males pass the X chromosome to half of their sperm and Y to the other half 20 chromosomes and then divides to form new cells a)Mitosis b)Cross-linking c)Genetic transfer d)Meiosis occurs when a cell copies its own

Explanation / Answer

17. The correct answer is Option D. Experiential canalisation emphasises the evocative role that genes play on behaviour.

18. The correct answer is Option A. During the crossing over phase, there is unique shuffling of genes from the mother and father.

19. The correct answer is Option D. Males pass the X chromosome to half of their speed and Y to the other half.

20. The correct answer is Option A. This process is referred to as Mitosis.

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