Dihybrid Crosses and Genetic Concepts Quiz

What is the main focus of Miss Angler's video?

• Cellular respiration

• Dihybrid genetic crosses

• Human anatomy

• Photosynthesis process

What percentage of people can taste PTC according to the video?

• 90%

• 70%

• 50%

• 30%

Which allele is dominant for tasting PTC?

• Recessive allele

• Neutral allele

• Dominant allele

• Codominant allele

What is the genotype of a person who is heterozygous for both traits?

• Two dominant alleles

• One dominant allele for one trait and two recessive for the other

• Two recessive alleles

• One dominant and one recessive allele for each trait

What is the genotype of a woman who is taste blind and albino?

• Heterozygous for one trait and homozygous recessive for the other

• Homozygous recessive for both traits

• Homozygous dominant for both traits

• Heterozygous for both traits

How many gametes can a heterozygous individual produce for two traits?

• Four

• Three

• Two

• One

What is the phenotype of a child with the genotype ttNn?

• Taste blind with albino pigmentation

• Taster with albino pigmentation

• Taste blind with normal pigmentation

• Taster with normal pigmentation

What is the genotype of a man who can only produce heterozygous offspring with a homozygous recessive woman?

• Heterozygous for both traits

• Homozygous dominant for both traits

• Homozygous recessive for both traits

• Heterozygous for one trait and homozygous dominant for the other

What is a key reason why the dihybrid cross question is considered difficult?

• It involves complex mathematical calculations

• It is very wordy and can be confusing

• It is based on outdated scientific theories

• It requires knowledge of multiple scientific disciplines

What should you be careful about when using the term 'gene' in genetic questions?

• Using it to describe a phenotype

• Confusing it with 'allele'

• Using it interchangeably with 'chromosome'

• Referring to it as a dominant trait