5.3b Probability in Genetics

When is the rule of multiplication applied in genetics?

• When events are dependent on each other.

• When events occur simultaneously.

• When independent events occur in sequence.

• When calculating the sum of probabilities.

What is the probability of flipping a coin three times and getting tails on every flip?

• 1/2

• 1/4

• 1/8

• 1/16

In a cross between two pea plants heterozygous for purple flower color (Pp x Pp), what is the probability that the offspring will be homozygous recessive (pp)?

• 1/2

• 1/4

• 1/8

• 1/16

In a cross between AaBbCc x AaBBCC, what is the probability that the offspring will be AaBbCC?

• 1/4

• 1/8

• 1/16

• 1/2

What is the probability of rolling a two or a five on a six-sided die?

• 1/6

• 1/3

• 1/2

• 2/3

What is the probability of picking a five or a heart out of a deck of 52 playing cards?

• 1/13

• 4/52

• 16/52

• 4/13

In a cross between pea plants that are heterozygous for purple flower color (Pp), what is the probability of the offspring being a heterozygote?

• 1/4

• 1/2

• 3/4

• 1