Punnett Squares

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

• rr
• R
• RR
• RR or Rr

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1

How many alleles (letters) do each person carry for a trait?

• 1
• 2
• 3
• 4

One form of a gene is called_______________.

• a DNA

• a Phenotype

• a trait

• an allele

In this punnett square, which is the dominant trait?
The B stands for bud.

• purple flower bud
• white flower bud
• dominant
• recessive

Tags

NGSS.HS-LS3-1

The study of heredity and the variation of inherited characteristics:

• gene

• genetics 

• meiosis 

• hybrid 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Who studied different characteristics of pea plants by cross-pollinating plants?

• Gregor Mendel

• Albert Punnett

• Sir Isaac Newton

• David Kuster

An organisms's allele combination is known as:

• phenotype

• mutation

• hybrid

• genotype

Tags

NGSS.HS-LS3-2