Genotype and Phenotype

What is a genotype?

• A type of genetic disease

• Physical appearance of an organism

• The environment where an organism lives

• Genetic makeup of an organism

Tags

NGSS.HS-LS3-1

What does a phenotype represent?

• The genetic code in the DNA

• Physical traits of an organism

• A tool used by geneticists

• A type of plant

Tags

NGSS.HS-LS4-4

Who introduced the Punnett square?

• Isaac Newton

• Reginald Punnett

• Charles Darwin

• Gregor Mendel

Tags

NGSS.HS-LS4-3

In a cross of TT and tt, what are the possible genotypes of the offspring?

• TT, TT

• TT, tt

• TT, Tt, tt

• Tt, Tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What percentage of the F2 generation is expected to be tall when F1 heterozygous tall plants are crossed?

• 25%

• 50%

• 100%

• 75%