3. Genetics and Evolution
Genetic Variation — Quiz
Test your understanding of genetic variation with 5 practice questions.
Practice Questions
Question 1
Which type of mutation involves a change in a single nucleotide base within a gene?
Question 2
During which cellular process does genetic recombination primarily occur, leading to new combinations of alleles on homologous chromosomes?
Question 3
What is the term for a chromosomal abnormality where an organism has an extra copy of a chromosome, such as in Down syndrome (Trisomy 21)?
Question 4
If a diploid organism has $2n = 10$ chromosomes, how many possible combinations of chromosomes can be found in its gametes due to independent assortment?
Question 5
Which of the following best describes the role of sexual reproduction in contributing to genetic variation?