In a Dihybrid Cross, You Want to Calculate the Probability

question 10

Short Answer

In a dihybrid cross, you want to calculate the probability that an F₂ progeny of the cross will inherit both dominant phenotypes. Which of the rules of probability can be used to calculate the probability of obtaining that combination of alleles?

---

Definitions:

Conception

The process of fertilization where a sperm cell unites with an ovum, forming a zygote, marking the beginning of pregnancy.

Menstrual Period

The monthly cycle of changes in the ovaries and the lining of the uterus, leading to the shedding of the uterine lining and bleeding, known as menstruation.

Ovulates

The process whereby an ovary releases an ovum, or egg, preparing the body for possible fertilization.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, genetically as similar as regular siblings.