Gene Structure and Function
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Questions and Answers

What is the primary function of genes in an organism?

  • To produce chromosomes
  • To store information in chromosomes
  • To influence specific characteristics (correct)
  • To determine the number of chromosomes

How many genes are estimated to be present in human cells?

  • 10,000
  • 30,000
  • 20,000 (correct)
  • 40,000

What is the term for the specific position of a gene on a chromosome?

  • Locus (correct)
  • Chromosome
  • Gene density
  • Allele

What is the purpose of chromosomal maps?

<p>To locate the position of genes on a chromosome (A)</p> Signup and view all the answers

What is the term for different versions of a gene?

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

Approximately what percentage of the total DNA does human chromosome 7 make up?

<p>5% (A)</p> Signup and view all the answers

What is the primary component of genes?

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

What is the significance of crossing experiments in genetics?

<p>To understand how genetic information is passed down from parent to offspring (A)</p> Signup and view all the answers

What is the relationship between genes and chromosomes?

<p>A gene is a part of a chromosome (B)</p> Signup and view all the answers

What is the characteristic of a gene that influences a specific trait?

<p>Its heritable nature (A)</p> Signup and view all the answers

How many chromosomes do human cells typically have?

<p>46 (A)</p> Signup and view all the answers

What is the purpose of studying the sequence of DNA in chromosomes?

<p>To produce chromosomal maps (B)</p> Signup and view all the answers

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