3. Genetics

Non Mendelian — Quiz

Test your understanding of non mendelian with 5 practice questions.

Practice Questions

Question 1

Which of the following inheritance patterns involves a heterozygote expressing a phenotype that is intermediate between the phenotypes of the two homozygous parents?

Question 2

A cross between a homozygous dominant organism with genotype $AA$ and a homozygous recessive organism with genotype $aa$ results in offspring with genotype $Aa$. If the phenotype of the $Aa$ offspring is a blend of the $AA$ and $aa$ phenotypes, this demonstrates:

Question 3

In a certain breed of chickens, the allele for black feathers ($B$) and the allele for white feathers ($W$) are codominant. If a chicken with black feathers ($BB$) is crossed with a chicken with white feathers ($WW$), what percentage of the offspring will have both black and white feathers?

Question 4

Which of the following best describes a polygenic trait?

Question 5

Human blood type is determined by three alleles: $I^A$, $I^B$, and $i$. This is an example of: