Genetics Review Part 1

Which of the following genotypes is homozygous recessive?

• RR
• Rr
• rr
• None of the Above

Brown (B) is dominant over white (b). Which genotype is a purebred for brown fur?

• BB
• Bb
• bb
• All of the above

Tags

NGSS.HS-LS3-1

Which of the following terms refers to the different possibilities of a gene?

• chromosome
• DNA
• Punnett Squares
• allele

Tags

NGSS.HS-LS3-2

If something is heterozygous, it is also...

• purebred
• hybrid
• dominant
• recessive

Tags

NGSS.HS-LS3-2

True/False: Different genotypes can code for the same phenotype.

• True
• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This image shows a...

• Punnett Square
• Phenotype
• Genotype
• Dominant allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does a Punnett Square help you do?

• Determine the ratio of phenotypes
• Determine the ratio of genotypes
• Predict possible traits the offspring will have
• All of the above

Tags

NGSS.HS-LS3-3

A phenotype is the...

• letter combination
• dominant gene
• recessive gene
• physical appearance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Another word for homozygous is...

• purebred
• hybrid
• heterozygous
• dominant

Tags

NGSS.HS-LS3-1

 Dominant alleles are-

• capital
• lowercase
• both
• neither