Genetics Quiz

What is heredity?

• The science of classifying different species

• The passing of genetic material from parents to offspring

• The study of ancient human cultures

• The process of cell division in organisms

Which term describes the entire body of individuals born and living at about the same time?

• Pedigree

• Generation

• Offspring

• Allele

What is the primary difference between asexual and sexual reproduction?

• Asexual reproduction involves two parents, while sexual reproduction involves one

• Sexual reproduction involves the union of gametes, while asexual does not

• Asexual reproduction results in genetically diverse offspring, while sexual reproduction does not

• Sexual reproduction involves cell division, while asexual reproduction involves cell merging

Which is a dominant gene?

• A gene that is masked by other genes

• A gene that has no visible effect on the phenotype

• A gene that exerts authority or influence over other genes

• A gene that is recessive to all other genes

A hitched thumb is a recessive trait. A person with a hitched thumb would have a genotype of?

• BB

• Bb

• bb

• bB

Each organism has 2 alleles for a particular trait. Where do these two alleles come from?

• One from each parent

• Both from one parent

• Alleles do not come from parents

• The kidney

A version or variation of a gene

• trait

• gene

• allele

• DNA

What is a punnett square?

• graph used to predict the possible genotypes of offspring in a given cross
• a graph used to predict the possible birth rate of offspring.
• a graph used to predict the possible behavioral characteristics an offspring could have
• None of the above

A version of a gene is called a(n)

• allele

• characteristic

• specific gene

• trait

A trait that is expressed if one copy of the allele is present is a(n)

• characteristic

• dominant trait

• gene

• recessive trait