Practice Quiz

MCAS Biology Practice

Category - Biology

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Shelly and Jason are siblings, but Shelly looks like their father while Jason looks like their mother. Which of the following statements best explains the difference in Shelly’s and Jason’s features?
  1. Shelly inherited a greater number of chromosomes from their father than Jason did.
  2. Shelly inherited a smaller number of X chromosomes from their mother than Jason did.
  3. Shelly and Jason had different mutations occur in the 46
    chromosomes they inherited from their mother and father.
  4. Shelly and Jason inherited different combinations of 23 chromosomes from their mother and 23 chromosomes from their father.
Explanation
Answer: D - Shelly and Jason inherited different combinations of 23 chromosomes from their mother and 23 chromosomes from their father.
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