Genetic Probability

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

Which of the following alleles is homozygous (purebred) recessive?

• TT

• Tt

• tt

• ts

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

The exact genetic makeup of an organism, such as RR, Tt, PP is its?

• phenotype
• dominance
• genotype
• trait

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

Genotype or Phenotype: Black hair

• Phenotype

• Genotype

The hidden form of an inherited trait

• dominant trait
• recessive trait
• purebred
• hybrid

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

• tt
• Tt
• Bb
• TT

What is the yellow seed genotype?

• aa
• Aa
• AA
• AA or Aa