Sickle cell anemia is a recessive trait in humans.Typically, only people with two copies of the sickle cell anemia gene show symptoms of the disease (genotype aa). People with at least one copy of the other allele of that gene usually show no symptoms (genotype AA or Aa). What is the probability that a child of two carriers (type Aa) has Sickle cell anemia (is type aa)

Sickle cell anemia is a recessive trait in humans.Typically, only people with two copies of the sickle cell anemia gene show symptoms of the disease (genotype aa). People with at least one copy of the other allele of that gene usually show no symptoms (genotype AA or Aa). What is the probability that a child of two carriers (type Aa) has Sickle cell anemia (is type aa)

Name: Sickle cell anemia is a recessive trait in humans.Typically, only peop
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: Sickle cell anemia is a recessive trait in humans.Typically, only people with two copies of the sickle cell anemia gene show symptoms of the disease (genotype aa). People with at least one copy of the other allele of that gene usually show no symptom

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

To avoid being stuck with a shipment of defective HDTV sets, a large retailer tests a random sample of three televisions for defects before purchasing the entire shipment. If any of the three HDTV sets are defective, the entire shipment is rejected. If a manufacturer of HDTV sets has a 1.2% defect rate, what is the probability that a shipment of its HDTV sets will be rejected by this retailer?
3. A gene can be either type A or type B, and it can be either dominant or recessive. Assume that P(A)=0.60. If the gene is type A, then there is a probability of 0.31 that it is dominant. There is also a probability of 0.22 that it is dominant given that a gene is type B. a. What is the probability that a gene is dominant? b. What is the probability that a gene is type A given that it is dominant?
If 5 of a company’s 10 delivery trucks do not meet emission standards and 3 of them are chosen for inspec-tion, what is the probability that none of the trucks cho-sen will meet emission standards?
8. A new computer virus can enter the system through e-mail or through the internet. Thereis a 30% chance of receiving this virus through e-mail. There is a 40% chance ofreceiving it through the internet. Also, the virus enters the system simultaneously throughe-mail and the internet with probability 0.15. What is the probability that the virus doesnot enter the system at all?
3. There is a 30% chance of rain today. If it does not rain today, there is a 20% chance of rain tomorrow. If it rains today, there is a 50% chance of rain tomorrow. What is the probability that it rains tomorrow?
A global research study found that the majority of today's working women would prefer a better work-life balance to an increased salary. One of the most important contributors to work-life balance identified by the survey was "flexibility," with 47% of women saying that having a flexible work schedule is either very important or extremely important to their career success. Suppose you select a sample of 100 working women What is the probability that in the sample more than 50% say that having a flexible work schedule is either very important or extremely important to their career success? round to four decimal places
It is estimated that approximately 8.44% Americans are afflicted with diabetes. Suppose that a certain diagnostic evaluation for diabetes will correctly diagnose 96% of all adults over 4040 with diabetes as having the disease and incorrectly diagnoses 4% of all adults over 4040 without diabetes as having the disease. a) Find the probability that a randomly selected adult over 4040 does not have diabetes, and is diagnosed as having diabetes (such diagnoses are called "false positives"). b) Find the probability that a randomly selected adult of 4040 is diagnosed as not having diabetes. c) Find the probability that a randomly selected adult over 4040 actually has diabetes, given that he/she is diagnosed as not having diabetes (such diagnoses are called "false negatives"). (Note: it will be helpful to first draw an appropriate tree diagram modeling the situation)
Detecting terrorists is a real problem, one that causes governments to spend millions per year. A particular surveillance system has been developed which correctly identifies a future terrorist 99% of the times and detects someone who is not a future terrorist 99.9% of times. Suppose that in a population of 300 million, there are 1000 potential/future terrorists. If one of these 300 million is randomly selected and scrutinized by the system, what is the probability that the person selected is actually a future terrorist? Also explain if the value of this probability makes you uncomfortable about using a surveillance system? Explain.
A national study found that treating people appropriately for high blood pressure reduced their overall mortality by 20%. Treating people adequately for hypertension has been difficult because it is estimated that 50% of hypertensives do not know they have high blood pressure, 50% of those who do know are inadequately treated by their physicians, and 50% who are appropriately treated fail to follow this treatment by taking the right number of pills. What is the probability that at least 7 of the 10 hypertensives know they have high blood pressure?
A disease afflicts 1 person in 10 in a population. A test for this disease results in 5% false positives. Assume that a random person is tested for the disease (this person is not selected for the test because there are other symptoms indicating the presence of the disease nor are there any special signs of being disease free). Assume that there are no false negatives from this test. A person tests positive. What is the probability that the person truly has the disease? Now assume that false negatives are 15%. What is the probability that the person truly has the disease? The following paragraph is taken from the National Cancer Institute’s web site on the PSA test for prostate cancer. The paragraph is the complete discussion of false positive PSA results offered on the web site.
Sickle-cell disease is a condition common in persons of African ancestry where red blood cells contain an abnormal type of hemoglobin. Individuals whose cells produce both normal and abnormal hemoglobin are said to have "sickle-cell trait" and they are generally healthy. If both parents have sickle-cell trait, then each of their children has probability 0.25 of having the actual disease. Suppose two parents with sickle-cell trait have three children. Identify the exact probabilities in this interim table of all possible outcomes and in the probability distribution table for X, where N denotes no sickle-cell disease and D denotes sickle-cell disease. (Round your answers to six decimal places.) Outcome X Probability NNN 0 0 1 2 NND 1 3 NDN 1 DNN 1 NDD DND DDN X Probability NN 2 DDD 3
The probability that brown-eyed parents, both with the recessive gene for blue, will have a child with brown eyes is 0.55.If such parents have 4 children, what is the probability that they will have (A) All blue-eyed children? (B) Exactly 3 children with brown eyes? (C) At least 3children with brown eyes?