Genotypes: Dominant and Recessive Alleles

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous genes
• mutated DNA

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-LS3-1

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

Dominant or recessive?
tt

• Dominant 
• Recessive

Tags

NGSS.HS-LS3-1

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Dominant or recessive?
Dd

• Dominant
• recessive
• neither
• homozygous

Tags

NGSS.HS-LS3-1

What does the prefix hetero- in heterozygous mean?

• same
• different
• dating
• human

Alternative forms of a gene are called

• Alleles
• Homozygous
• DNA
• Genetics

Tags

NGSS.HS-LS3-1