Genetic Probability and Dihybrid Crosses

Genetic Probability and Dihybrid Crosses

Assessment

Interactive Video

Mathematics, Biology, Science

9th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains how to predict the genotype of offspring using probability. It begins with an introduction to genotype prediction and the use of monohybrid crosses. The tutorial then demonstrates how to calculate the probability of specific genotypes, including complex scenarios involving multiple genes. Advanced probability calculations are covered, and the video concludes with a summary of the key concepts.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of this lesson?

Understanding Mendelian inheritance

Predicting the genotype of an offspring

Predicting the phenotype of an offspring

Learning about genetic mutations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a simpler alternative to a dihybrid cross?

Using a monohybrid cross

Using a Punnett square

Using a trihybrid cross

Using a pedigree chart

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability that the offspring will inherit 'little a little a' from the first problem?

100%

25%

50%

75%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the probability of an offspring being homozygous recessive for both genes in the first problem?

Divide the probabilities of each gene

Subtract the probabilities of each gene

Multiply the probabilities of each gene

Add the probabilities of each gene

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second problem, how many monohybrid crosses are needed?

Two

Four

Five

Three

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of the offspring being heterozygous for the first gene in the second problem?

1 in 2

1 in 4

1 in 8

1 in 16

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the probability calculation if one gene combination is impossible?

The probability becomes 50%

The probability becomes 0%

The probability becomes 100%

The probability is unaffected

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