Multiple Choice
It is a general assumption that identical twins share exactly the same DNA because they arise from the same fertilized egg. However, SNP studies show that they are only about 99% identical. Where might the 1% difference have come from?
A) Mutations arise in somatic cells.
B) Mutations arise in gametic cells.
Correct Answer:

Verified
Correct Answer:
Verified
Q16: Comparisons of traits in identical and fraternal
Q17: Heritability in nonscientific terms means "the capability
Q18: Of the students in your class, 95%
Q19: If the concordance rate between identical twins
Q20: One hope of personalized medicine is that:<br>A)physicians
Q22: Phenylketonuria (PKU) is a metabolic disorder that
Q23: Which of the following statements BEST reflects
Q24: In a hypothetical twin study, investigators identify
Q25: A complex trait can be influenced by
Q26: Genetic variation that affects a hypothetical complex