Genetics/Punnett Square Review

An organism's phenotype describes its __________.

• genetic makeup
• physical appearance

Tags

NGSS.HS-LS3-1

What do you call a section of DNA that codes for a specific trait?

• nucleus
• chromosome
• gene
• DNA

Tags

NGSS.HS-LS3-1

Which of the following is homozygous dominant?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

Which of the following is homozygous recessive?

• AA
• Aa
• aa

Which of the following is heterozygous?

• TT
• Tt
• tt

Tags

NGSS.HS-LS3-1

An organisms genetic makeup or allele combinations

• genotype
• phenotype
• homozygous
• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Different forms of a gene

• genetics
• genes
• alleles
• trait

Tags

NGSS.HS-LS3-1

An allele that is masked when a dominant allele is present

• traits
• genes
• recessive allele
• dominant allele

Having two identical alleles for a trait

• homozygous
• heterozygous
• dominant allele
• recessive allele

Tags

NGSS.HS-LS3-1

What is the probability of homozygous dominant offspring?

• 25%
• 50%
• 0%
• 100%

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3