Chapter 6 Test Review

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

Who is considered the "father" of modern genetics?

• Einstein

• Mendel

• Disney

• Washington

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

• TT

• Tt

• tt

• ts

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

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

• recessive
• dominant
• lower case letter
• both