Punnett Square Practice

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-6

Homozygous Dominant:

• Aa
• AA
• aa
• aA

Tags

NGSS.HS-LS3-1

Homozygous recessive:

• GG
• gg
• Gg
• gG

Tags

NGSS.HS-LS3-1

Which of the following is homozygous recessive?

• Tt
• tt
• TT
• T

Tags

NGSS.HS-LS3-1

Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?

• Purebred
• Hybrid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a punnett square?

• graph used to predict the possible genotypes of offspring in a given cross
• a graph used to predict the possible birth rate of offspring.
• a graph used to predict the possible behavioral characteristics an offspring could have
• None of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

In a punnet square where are the parent alleles written?

• Top and inside the boxes
• Only on the left and right side of the boxes. 
• outside of the boxes (top and left side)
• All on the top side of the boxes