Genotypes: Dominant and Recessive Alleles

Different forms of the same gene are called

• alleles

• genetics

• p generation

• law of segregation

The physical characteristics that result from genes

• phenotype

• genotype

• heterozygous

• homozygous

Tags

NGSS.HS-LS4-3

Which of the following is a phenotype?

• Aa

• red hair

• heterozygous genes

• mutated DNA

Tags

NGSS.HS-LS4-3

NGSS.HS-LS4-4

What is a recessive allele?

• A trait that is always shown (capital letter)
• A trait that can be hidden (lower case letter)
• Alleles that are the same
• Alleles that are different

What is a dominant allele?

• A trait that is always shown (capital letter)
• A trait that can be hidden (lower case letter)
• Alleles that are the same
• Alleles that are different

Which of the following is a genotype?

• B

• Bb

• allele

• Blue eyes

A person has the genotype tt

Would this result in a dominant or recessive trait?

• Dominant 

• Recessive

A person has the genotype Dd

Would this result in a dominant or recessive trait?

• Dominant

• recessive

• neither

Tags

NGSS.HS-LS3-1

Select the heterozygous genotype

• GG

• Hh

• dd

• BB

Red flowers (R) are dominant over white flowers (r). Select the genotypes that would produce red flowers.

• RR

• Rr

• rr

• Rw

Tags

NGSS.HS-LS3-2