Punnett Squares

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S
• Tall = T
  Short = t
• Tall = t
  Short = T
• Tall = TT
  Short = tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Identify the homozygous dominant genotype:

• FF
• Ff
• ff

What phenotype would result from crossing a homozygous dominant purple-flowered pea plant with a homozygous recessive white-flowered pea plant?

• Pp
• Purple
• White
• PP and pp

Tags

NGSS.HS-LS3-1

What are genes?

• Something you wear.
• Segments of DNA that carry traits for offspring.
• The powerhouse of cells.
• None of the above.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is an example of phenotype?

• bb
• blue eyes

Which of the following genotypes are purebred?

• Pf
• Pp
• PP
• pP

If you are purebred dominant for a trait, your genotype would be...

• Tt
• TT
• tt
• tall

Which of these is homozygous recessive?

• Rr
• rR
• RR
• rr

The different forms of a gene

• alleles

• atoms

• proteins

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This trait always shows up in an organism when the allele is present

• dominant allele

• codominance

• probability

• recessive allele