iCEV Animal Science Basics: Genetics – Review Questions

What is the study of genes, genetic variability, and heritable traits called?

• Evolution

• Heritability

• Genetics

• Reproduction

Where is genetic material stored in the cell?

• Cytoplasm

• Cell wall

• Nucleus

• Mitochondria

DNA consists of two strands arranged in what structure?

• Single spiral

• Double helix

• Triple strand

• Circular loop

What is the main purpose of RNA?

• Store energy

• Build cell walls

• Copy and transport DNA instructions

• Break down proteins

The process of cell division for body cells is called:

• Mitosis

• Meiosis

• Fertilization

• Replication

Gametes are also known as:

• Somatic cells

• Diploid cells

• Sex cells

• Daughter cells

Meiosis results in how many genetically different cells?

• Two

• Three

• Four

• Six

Which term describes the physical appearance of an organism?

• Genotype

• Phenotype

• Chromosome

• Allele

The location of a gene on a chromosome is called a:

• Code

• Locus

• Trait

• Strand

What do capital letters represent in genetic notation?

• Recessive traits

• Dominant traits

• Mutations

• Random alleles