1. Mendelian Genetics

Probability In Genetics — Quiz

Test your understanding of probability in genetics with 5 practice questions.

Practice Questions

Question 1

In a monohybrid cross between two heterozygous individuals ($Aa \times Aa$), what is the probability of an offspring having the dominant phenotype?

Question 2

If two events, A and B, are mutually exclusive, and $P(A) = 0.3$ and $P(B) = 0.6$, what is the probability of A or B occurring ($P(A \text{ or } B)$)?

Question 3

A genetic cross yields offspring in the following phenotypic ratio: $9:3:3:1. This ratio is characteristic of which type of cross?

Question 4

What is the probability of a couple having three boys in a row, assuming the probability of having a boy is $1/2$ for each birth?

Question 5

In a chi-square test, what does a high chi-square value typically indicate?