Genetic Mutations in Humans

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Questions and Answers

How many genetic mutations do children typically have compared to their parents?

  • 30 new genetic mutations
  • 70 new genetic mutations (correct)
  • 100 new genetic mutations
  • 50 new genetic mutations

What is the primary influence on the number of genetic mutations that a child inherits?

  • Family history of genetic disorders
  • Environmental factors such as pollution
  • Parental age (correct)
  • Lifestyle choices of parents

What happens to the number of mutations passed on to the next generation with parental age?

  • It remains constant
  • It decreases significantly
  • It increases (correct)
  • It varies unpredictably

How do the effects of parental age on mutation rates differ among families?

<p>They vary significantly among families (B)</p> Signup and view all the answers

What can be inferred about the number of mutations between two siblings born ten years apart to different sets of parents?

<p>They will have a difference of more than 30 mutations (C)</p> Signup and view all the answers

What is the implication of the study's findings on parental age and genetic mutations?

<p>Parents are not equal in the number of mutations they pass on (D)</p> Signup and view all the answers

What is the main source of genetic novelty and genetic disease?

<p>Some of us passing on more mutations than others (D)</p> Signup and view all the answers

What is the estimated proportion of new mutations that arise anew in the embryo soon after fertilization?

<p>One in ten (C)</p> Signup and view all the answers

According to the study, what is the primary factor driving the increase in new mutations in fathers' sperm?

<p>Increasing age (A)</p> Signup and view all the answers

What is the significance of the Utah CEPH families in this study?

<p>They have a large range in the number of mutations they accumulate (D)</p> Signup and view all the answers

What is the potential effect of increasing the mutation load, according to Sasani?

<p>Increasing the likelihood of certain diseases (C)</p> Signup and view all the answers

What is the key takeaway from the study regarding the mutation rate across the globe?

<p>The mutation rate is highly variable worldwide (A)</p> Signup and view all the answers

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