Genetics & Punnett Squares QUIZS

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Enzymes

• speed up chemical reactions

• slow down chemical reactions

• do nothing to a chemical reaction

Different versions of a trait (tall or short, white or purple) are called

• alleles

• traits

• versions

• genes

When looking at a pedigree, what do half colored symbols represent?

• The individual is a carrier (heterozygous).
• The individual expresses the trait.
• The individual has both recessive alleles.
• The individual has both dominant alleles.

A is the

• substrate

• enzyme-substrate complex

• products

The physical appearance of a trait is known as the-

• genotype

• phenotype

• Homozygous

• intelligence

A green pea plant (Gg) is crossed with a yellow pea plant (gg). Describe the genotype of the offspring.

• 50% heterozygous and 25% homozygous recessive

• 50% heterozygous and 50% homozygous recessive

• 100% homozygous recessive

• 25% heterozygous and 50% homozygous

Enzymes will make a reaction go _______ and use ______ energy.

• faster, less
• faster, more
• slower, less
• slower, more

When looking at a pedigree, what does an open circle represent?

• Not Affected Male
• Not Affected Female
• Affected Male
• Affected Female

What happens to an enzyme when it is denatured?

• Activation energy is lowered.
• It becomes stronger.
• It loses its shape.
• Activation energy is raised.