Genetics Review

Long hair is a dominant trait. Choose the BEST statement.

• This guinea pig received two dominant traits. (HH)

• This guinea pig cannot have a recessive allele. (h)

• This guinea pig could be homozygous dominant (HH) or heterozygous (Hh)

• This guinea pig is homozygous recessive (hh)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which term refers to an organism's physical appearance

• recessive allele

• dominant

• genotype

• phenotype

Which term refers to an organism's genetic traits?

• offspring

• genotype

• phenotype

• behavior

Tags

NGSS.HS-LS3-1

Different forms of a gene are called ______.

• alleles

• traits

• genotype

• phenotype

The best genome representation for a homozygous dominant

• AA

• Aa

• aa

The best genome representation for homozygous recessive

• AA

• Aa

• aa

The best genome representation for heterozygous

• AA

• Aa

• aa

In the Punnett square what is the probability that flowers will have a white flower?

• 3 in 4

• 1 in 4

• 2 in 4

• 4 in 4

Tags

NGSS.HS-LS3-3

The parent flowers could both be described as ____

• homozygous recessive

• homozygous dominant

• heterozygous

• phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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