Genetics

What is the study of genes and inheritance known as?

• Genetics

• Chemistry

• Physics

• Astronomy

Which best describes an inherited trait?

• a characteristic one chooses to express
• a characteristic one receives from the food one eats
• a characteristic that is passed on from one's parents
• a characteristic that is influenced by one's surroundings

A characteristic that an organism can pass on to its offspring through its genes is ___________

• Trait
• Gene
• Allele
• Dominant

Which shows the correct order from smallest to largest?

• Gene > DNA > Chromosome > Nucleus > Cell

• Cell > Nucleus > Chromosome > DNA > Gene

• DNA> Nucleus > Chromosome > Gene > Cell

• Nucleus > Chromosome > Gene > Cell > DNA

Where is the majority of DNA stored within a cell?

• Chloroplast

• Cell wall

• Cell membrane

• Nucleus

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into
• something inside the nucleus
• a piece of DNA
• all of your DNA

A dominant allele is represented by a ______ letter.

• lower-case

• capital

A recessive allele is represented by a ______ letter.

• lower-case

• capital

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B