5. Genetics and Biotechnology

Mendelian Genetics — Quiz

Test your understanding of mendelian genetics with 5 practice questions.

Practice Questions

Question 1

In a dihybrid cross, how many unique gamete combinations can be produced by an individual with the genotype $AaBb$?

Question 2

If a red cow (RR) is crossed with a white bull (WW), and the offspring are all roan (RW), displaying both red and white hairs, what type of inheritance pattern is this?

Question 3

A breeder observes that a certain trait in their cattle skips a generation, appearing only in the grandchildren. This pattern suggests that the trait is most likely:

Question 4

In a cross between two heterozygous individuals ($Ff \times Ff$) for a trait where 'F' is dominant for feathered legs and 'f' is recessive for clean legs, what is the probability of producing offspring with clean legs?

Question 5

Which of the following scenarios best illustrates the concept of a test cross?