Genetics 7-1 Quiz

The passing of traits from parents to offspring

• heredity

• a molecule

Tags

NGSS.HS-LS3-1

The different forms of a gene

• alleles

• atoms

• proteins

• wheels

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This trait is represented by a capital letter and always shows up in an organism when the allele is present

• dominant allele

• codominance

• probability

• recessive allele

This trait is represented by a lower case letter and hidden whenever the dominant allele is present

• dominant allele

• codominance

• recessive allele

• Punnett Square

Which of the following is a genotype?

• Tt

• Blue flower

Answer explanation

Remember GAL, Genotypes Are Letters - the combination of alleles an organism carries for a trait

Which of the following is a phentotype?

• tt

• yellow flower

Answer explanation

Remember PAW, Phenotypes Are Words - the words that describe what physically shows up for a trait

Which of the following is a homozygous dominant genotype?

• Bb

• BB

• bb

Answer explanation

Homozygous = Same alleles

Dominant = represented with Capital letter

Genotype = GAL, Genotypes Are Letters that represent the alleles an organism carries

Which of the following is a homozygous recessive genotype?

• HH

• dd

• Aa

Answer explanation

Homozygous = Same alleles (letters)

Recessive = represented with lowercase letters

Genotype = GAL, Genotypes Are Letters

Which of the following is a heterozygous genotype?

• Gg

• UU

• pp

Answer explanation

Heterozygous = different alleles

Genotype = GAL, Genotypes Are Letters

Fill in the Yellow Box

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1