Multiple Choice
If a genetic counselor was examining a pedigree chart and noticed an occurrence of a disease in every generation, the counselor would most likely assume that the disease was caused by:
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13. Mendelian Genetics
Autosomal Inheritance
Back13. Mendelian Genetics
Autosomal Inheritance
- Multiple Choice
The pedigree chart shown depicts the inheritance pattern of __________.
4495views20rank2comments - Multiple Choice
Determine the likely pattern of inheritance in the following pedigree. List the genotypes of the numbered individuals in this order: #1, #2, and #3.
3371views19rank3comments - Open Question
The following pedigree is for the ABO blood type group, which is an example of autosomal inheritance. Using the IA, IB, i for the alleles, fill in the top half of each box/circle with the genotype. Also, fill in the bottom half of each box/circle with the phenotype (A, B, AB, or O blood type). If it is impossible to know for certain a specific allele in the genotype, then place a '?' as a placeholder to represent the allele that is in question.
6823views55rank - Multiple ChoiceThe genetic disease cystic fibrosis is caused by a defective allele that __________.1861views
- Multiple ChoiceTom's brother suffers from phenylketonuria (PKU), a recessive disorder. Tom and the brother's parents do not have PKU. What are the chances that Tom is a carrier of the recessive PKU allele?1689views
- Multiple ChoiceA couple, both descended from eastern European (Ashkenazic) Jews, visit a genetic counselor before trying to have children. In view of their ethnic background, the counselor recommends that they be tested to see if they are carriers for __________.1296views
- Multiple ChoiceCystic fibrosis, which is usually lethal before the age of reproduction, is a homozygous recessive trait. Why do cases continue to arise, even though people with the disease rarely live to reproduce?2108views
- Multiple ChoiceWhat kind of protection does the Genetic Information Nondiscrimination Act of 2008 provide the public with regard to the use of genetic information?1662views
- Multiple ChoiceIn which genetic testing procedure would a physician remove a small tissue sample from a membrane of fetal genetic origin?1121views
- Multiple ChoiceFetal cells may be removed along with fluid from the womb by a process known as __________.1158views
- Multiple ChoiceWhen two average-height parents give birth to a child exhibiting achondroplasia, it is most likely due to a new mutation. This is because __________.1783views
- Multiple ChoiceHuntington's disease is an example of a genetic disorder caused by __________.2477views
- Multiple ChoiceIt is far more common to find human genetic disease caused by __________ alleles than by __________ alleles because __________.1394views