Genetics and Heredity Practice

, an Austrian monk known for his studies of pea plants is often referred to as the "father of modern genetics".

• Isaac Newton
• Charles Darwin
• Gregor Mendel
• Francis Crick

The physical expression of a trait is known as the organism's .

• genotype
• phenotype

An individual receives two of the same alleles from its parents. This organism is said to be .

• heterozygous
• homozygous

The different forms of a gene are known as .

• alleles
• chromosomes
• chromatids
• nitrogenous bases

Tags

NGSS.HS-LS3-2

Of the following, which represents a homozygous recessive genotype?

• TTT
• TT
• tt
• Tt

An individual receives two different alleles from its parents. This organism is said to be .

• heterozygous
• homozygous

A dominant allele is represent by a.....

• capital letter
• lower case letter

The genetic makeup of an organism is known as the organism's .

• genotype
• phenotype

While studying pea plants, Mendel crossed a plant that was homozgyous for green seeds with a plant that was homozygous for yellow seeds. If the yellow seeds were dominant, what color seeds would the offspring have?

• both yellow and green
• green
• yellow
• yellow-green

Tags

NGSS.HS-LS3-1

A Punnett Square is a tool used to help predict the probability of a trait's presence in the potential offspring of a set of parents.

• True
• False

Tags

NGSS.HS-LS4-3