10 Questions
What is the result of an error in DNA replication?
Mutation
What is the probability of a point mutation in higher plants and animals?
1 in a billion (10–9)
What is the term for a change in a single nucleotide?
Point mutation
What can occur when whole chromosomes are duplicated?
Down’s syndrome
What is the risk of trisomy 21 in the US population?
Between 1/650 and 1/1000
What can be created when a duplication occurs in a gene?
A second copy of a gene
What is an example of a triploid organism?
Banana
What can occur if there is no reduction division during meiosis?
Diploid gametes
What is the term for whole genomes being duplicated?
Polyploid
What increases the risk of trisomy 21?
Maternal age
Learn about the effects of population size on genetic drift, including bottlenecks and founder events, and how they impact allele frequencies. Understand how these events influence the genetic makeup of a population.
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