Genetics

Heterozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present

Tags

NGSS.HS-LS3-2

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

• recessive
• dominant
• lower case letter
• both 

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

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

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

• Tt
• tt
• TT
• t

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1

aa always shows up as

• dominant
• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa is

• homozygous
• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous
• DNA

Tags

NGSS.MS-LS4-4

What is the dominant trait?

• yellow pea seeds
• green pea seeds
• there is no dominant seed
• Jolly green giant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2