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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?

Mutation (D) Signup and view all the answers

What is the cellular basis of independent assortment?

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

What does the Law of Segregation state?

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

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

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

Why is understanding ABO blood type important in genetics?

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

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

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

What is NOT true about Griffith's transformation experiment?

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

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