Genetics Tiffany Lester

In a Punnett square, a lower case letter stands for a ____________ allele.

• dominant

• recessive

• homozygous

• heterozygous

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

• Tt

• tt

• TT

• t

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

Bb is a ______.

• genotype

• phenotype

Heterozygous is when...

• the alleles are the same

• the alleles are different

• the alleles are absent

• the alleles are present

Tags

NGSS.MS-LS4-4

One form of a gene is called_______________

• a DNA

• a Phenotype

• a trait

• an allele

Tags

NGSS.MS-LS4-4

In this punnett square, which is the dominant trait?
The B stands for bud.

• purple flower bud

• white flower bud

• dominant

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The study of heredity and the variation of inherited characteristics 

• gene

• genetics 

• meiosis 

• hybrid 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, bB, yy are all examples of

• genotypes

• phenotypes