Genetic Variations and Inheritance Quiz

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Questions and Answers

What are the potential sources of inheritable genetic variations described in the text?

  • Mutation due to radiation exposure (correct)
  • Random assortment of chromosomes during mitosis
  • Repair of damaged DNA strands
  • Aging-related changes in gene expression

Which process may lead to new genetic combinations as described in the text?

  • Meiosis in eukaryotic cells (correct)
  • Budding in yeast cells
  • Binary fission in prokaryotic cells
  • Mitosis in eukaryotic cells

What can result from viable errors occurring during replication as described in the text?

  • Insertion of foreign DNA sequences into the genome
  • Inactivation of tumor suppressor genes
  • Increased chromosome number in somatic cells
  • Substitution of one base pair for another (correct)

What are the three sources of inheritable genetic variations described in the text?

<p>New genetic combinations through meiosis, viable errors occurring during replication, and mutations caused by environmental factors.</p> Signup and view all the answers

Explain how viable errors occurring during replication can result in inheritable genetic variations.

<p>Viable errors occurring during replication can lead to changes in the DNA sequence, which can be passed on to the next generation, resulting in genetic variations.</p> Signup and view all the answers

Discuss the role of mutations caused by environmental factors in generating inheritable genetic variations.

<p>Mutations caused by environmental factors can introduce changes in the DNA sequence, which, if inherited, can lead to genetic variations in subsequent generations.</p> Signup and view all the answers

What is the role of cellular division (mitosis) in producing and maintaining complex organisms?

<p>Cellular division (mitosis) is responsible for growth, repair, and asexual reproduction in complex organisms.</p> Signup and view all the answers

How does differentiation contribute to the complexity of organisms?

<p>Differentiation allows cells to specialize and perform specific functions, contributing to the complexity of organisms.</p> Signup and view all the answers

Explain the interplay between cellular division (mitosis) and differentiation in the development of complex organisms.

<p>Cellular division (mitosis) produces new cells, while differentiation gives these cells specialized functions, leading to the development of complex organisms.</p> Signup and view all the answers

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