
Modes of Inheritance in Pedigrees

Interactive Video
•
Biology, Science, Other
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in determining the mode of inheritance in a pedigree question?
Look for male-to-male transmission.
Identify the gender of the offspring.
Determine if the parents are affected.
Check if the offspring are affected.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If both parents are unaffected, what can be inferred about the condition?
It is a recessive condition.
It is a dominant condition.
It is an X-linked condition.
It is a mitochondrial condition.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you determine if a recessive condition is autosomal or X-linked?
By checking if the condition affects only offspring of affected parents.
By checking if the condition affects both males and females.
By checking if the condition affects only females.
By checking if the condition affects only males.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates an X-linked recessive condition in a pedigree?
There is male-to-male transmission.
Only males are affected.
Both males and females are affected.
Only females are affected.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key indicator of an autosomal dominant condition?
Presence of male-to-male transmission.
Absence of male-to-male transmission.
Only females are affected.
Only males are affected.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the absence of male-to-male transmission suggest in a dominant condition?
The condition is mitochondrial.
The condition is X-linked.
The condition is autosomal.
The condition is recessive.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a pedigree, if only males are affected and the parents are unaffected, what is the likely mode of inheritance?
Autosomal dominant
X-linked recessive
Mitochondrial
Autosomal recessive
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