Mendel Genetics Punnett Squares

Who was the Austrian monk that experimented on pea plants and is called the "father of genetics"?

• Gregor Mendel

• Charles Darwin

• Francis Crick

• James Watson

Tags

NGSS.MS-LS3-2

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

• alleles

• traits

• versions

• genes

Tags

NGSS.MS-LS4-4

The only way for a recessive trait to appear is for an organism to have

• two dominant alleles

• two recessive alleles

• one dominant allele and one recessive allele

In pea plants, tall is dominant to short. If 2 heterozygous plants are crossed, what % of the offspring will be short?

• 0%

• 25%

• 50%

• 75%

In pea plants, purple is dominant to white. If a plant has a genotype of Pp, what is its phenotype?

• purple

• white

• purple and white

In cows, red and white hair is codominant. If you cross a red cow and a white cow, the offspring would be...

• red

• white

• red and white

• pink

In a dihybrid cross, what is the genotype for a plant that is heterozygous for height (T) and homozygous recessive for color (P)

• Ttpp

• TTPP

• TtPp

• TtPP

Based on this Punnett Square, which answer correctly describes the offspring?

• 3/4 are tall and purple

• All are tall and purple

• 3/4 are short and white

• All are short and white

Tags

NGSS.MS-LS3-2

Based on this Punnett Square, what is the chance of getting a female with white eyes?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.MS-LS4-4

Which of the following shows a dominant trait?

• aa

• Bb

• cc

• dd