30 Questions
What is the term for a group of organisms that can reproduce to produce fertile offspring?
Species
What is the term for an alternative form of a gene?
Allele
What type of mutation occurs in somatic cells and affects only the individual in which the mutation occurred?
Somatic mutation
What is the measure of how common an allele is in a population?
Allele Frequency
What is the result of genetic variation in a population?
Phenotype Variation
What is the term for the total collection of alleles in a population?
Gene Pool
What is the process by which individuals with certain traits are more likely to survive and reproduce?
Natural Selection
What is the term for the presence of an extra copy of a chromosome?
Trisomy
Which of the following is an example of aneuploidy?
Klinefelter Syndrome
What is the result of a point mutation?
A substitution of one nucleotide
What is the term for a mutation that results in a different amino acid being substituted?
Missense mutation
What is the total number of chromosomes in a diploid cell?
46
What is the result of a frameshift mutation?
A change in the reading frame of a gene
Which of the following is a type of gene mutation?
Deletion
What is the cumulative effect of the process of recombination and mutation?
Increased genetic variation
What is the primary mechanism by which mutations occur?
Exposure to chemicals and UV radiation
What is the term for a change in the nucleotide sequence of DNA?
Mutation
What is the result of nondisjunction during meiosis?
Gametes with more or fewer chromosomes than the normal set
What is the term for a chromosomal mutation in which a part of the chromosome is lost?
Deletion
What is the result of a translocation?
A part of one chromosome is attached to another
What is the effect of most mutations on an organism?
Most mutations are neutral
What type of mutation results in a stop codon and a shorter polypeptide?
Nonsense mutation
What is the term for the phenomenon where a gene is expressed differently based on the parent of origin?
Genomic imprinting
What type of mutation results in an amino acid with similar chemical properties?
Neutral mutation
What is the result of a frameshift mutation?
Incorrect translation of amino acids, stop codons, or read stop codons
What is the characteristic of genomic imprinting?
The gene is expressed on the paternal or maternal allele in some or all tissues
What is the term for the inheritance pattern where a single allele is inherited from one parent?
Uni-parental disomy
What is the result of a silent mutation?
The same amino acid
What is the characteristic of non-mendelian inheritance?
Does not follow the laws of Mendelian inheritance
What is the term for the type of mutation that occurs in mitochondrial DNA?
Mitochondrial inheritance
Test your knowledge on genetic variation, species, populations, alleles, and allele frequencies. Identify the definitions and concepts related to these genetic terms. This quiz is perfect for students of biology, genetics, and evolutionary science.
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