What is the main focus of this lesson?

Genetic Probability and Dihybrid Crosses

Interactive Video
•
Mathematics, Biology, Science
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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