Genetics Terminology and some Punnetts

Which of the following is homozygous recessive?

• Rr

• RR

• rr

• All of them

Brown (B) is dominant over white (b). Which is a homozygous GENOTYPE of BROWN FUR?

• BB

• Bb

• bb

• B

Tags

NGSS.HS-LS3-1

Which term describes the different forms of a gene?

• Chromosome

• Allele

• DNA

• Punnett Squares

This image shows a

• Phenotype

• Punnett Square

• Homozygous Dominant gentotype

• Pedigree

What does a Punnett Square do?

• Show the possible genotypes

• Determine the possible phenotypes

• Predict offspring traits

• All of the above

A phenotype is

• Physical appearence

• Dominance

• Recessiveness

• Letter combinatons

What is a gene?

• They cause disease

• What you wear to parties

• The basic building blocks of heredity

• It is what DNA is made up of

Tags

NGSS.HS-LS1-1

What is an allele?

• A gene

• A genotype

• A phenotype

• Different forms of a gene

allele that is masked by the presence of a dominant allele (will not always be visible if present); represented by a lowercase letter

• Dominant
• Recessive
• Virus
• Genetic

the expressed gene in a hybrid (will always be visible if present); represented by a capital letter

• Controlling
• Dominant 
• Recessive 
• Agressive