Human Growth and Development Clep Practice Exam Related

Review Human Growth and Development Clep Practice Exam related questions and content

Fraternal twins are ____________.

  • A. genetically identical
  • B. no more alike than ordinary siblings
  • C. less common than other types of multiple offspring
  • D. less likely with each additional birth
Correct Answer: B

Rationale: The correct answer is B. Fraternal twins are no more alike than ordinary siblings because they share about 50% of their genes, just like other siblings. Choice A is incorrect as fraternal twins are not genetically identical. Choice C is incorrect as fraternal twins are actually the most common type of multiple offspring. Choice D is incorrect as the likelihood of fraternal twins is not affected by the number of births a mother has had.