Punnett Squares

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

Dominant alleles are represented by a:

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

Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.

• Protein

• DNA

• RNA

• Glucose nucleic acid (GNA)

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both 

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

The genotype Aa is called . . .

• Homozygous recessive

• Hybrid

• Purebred

• Homozygous dominant

Which of the following would be a phenotype?

• Aa

• red hair

• heterozygous

• DNA

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

Which of the following genotypes is homozygous dominant?

• Yy

• yY

• yy

• YY