Genes, Alleles, and Loci Definition Quiz
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Questions and Answers

Which of the following can be an example of a phenotype?

  • Random event causing an injury
  • ABO blood type (correct)
  • Choice of major in college
  • Genomic coordinate format

What is the term used for the specific chromosomal location of a gene?

  • Genotype
  • Locus (correct)
  • Heterozygous
  • Homozygous

Which situation represents being hemizygous?

  • Having two different alleles for a gene
  • Having multiple alleles for a gene
  • Unpaired X or Y chromosome in males (correct)
  • Having identical alleles for a gene

What creates alternative versions of a gene known as alleles?

<p>Mutation (D)</p> Signup and view all the answers

What is the cellular basis of independent assortment?

<p>Sister chromatids align at the center of the cell during metaphase I in meiosis I (A)</p> Signup and view all the answers

What does the Law of Segregation state?

<p>The individual is diploid with two copies of the chromosome (D)</p> Signup and view all the answers

What did Avery, MacLeod, and McCarty's experiment suggest about the 'transforming principle'?

<p>DNase destroyed the bacteria’s ability to transform, indicating that the 'transforming principle' was DNA (D)</p> Signup and view all the answers

Why is understanding ABO blood type important in genetics?

<p>To understand the rule determining ABO blood type and perform basic probability calculations (D)</p> Signup and view all the answers

When assigning genotypes to a pedigree, what should be the starting point?

<p>Start from the individual whose genotype is the most certain (A)</p> Signup and view all the answers

What is NOT true about Griffith's transformation experiment?

<p>Griffith proved that DNA is the genetic material (C)</p> Signup and view all the answers

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