Cystic Fibrosis Probability and Genetics

Cystic Fibrosis Probability and Genetics

Assessment

Interactive Video

Mathematics, Biology, Science

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explains how to perform probability calculations using Punnett squares, focusing on cystic fibrosis as an example. It covers genetic inheritance patterns, the use of Punnett squares to determine the probability of genetic traits, and the application of the rules of addition and multiplication in probability. The video also explores advanced scenarios and provides guidance for further learning.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the CFT gene in cystic fibrosis?

It encodes a protein that thickens mucus.

It encodes a protein that thins the mucus lining of the lungs.

It is responsible for blood clotting.

It determines eye color.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a Punnett square, what is the probability of two heterozygous parents having a child with cystic fibrosis?

0%

25%

75%

50%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of having a child with cystic fibrosis if both parents are carriers?

75%

50%

25%

0%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the probability of mutually exclusive events using a Punnett square?

By adding their probabilities.

By subtracting their probabilities.

By multiplying their probabilities.

By dividing their probabilities.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of two heterozygous parents having a child without cystic fibrosis?

75%

25%

100%

50%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of having a heterozygous child from two heterozygous parents?

75%

50%

25%

100%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of having a child with cystic fibrosis and then a child without it?

25%

18.75%

12.5%

6.25%

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