Pedigree Analysis MCQs

PEDIGREE ANALYSIS MCQs

Q 1)

In the above pedigree, find out of the following four:

  1. Autosomal Dominant
  2. Autosomal recessive
  3. X-linked dominant
  4. X-linked recessive

 

Q2) A pedigree is shown below for a disease that is autosomal dominant. The genetic made up of the first generation is

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  1.  AA, Aa   
  2. Aa, aa
  3. Aa, AA   
  4. Aa, Aa.

Q3) Given below is a pedigree chart of a family with five children. It shows the inheritance of attached earlobes as opposed to the free ones. Which one of the following conclusions drawn is correct?

 

 

  1. The parents are homozygous recessive
  2. The trait is Y-linked
  3. The parents are homozygous dominant
  4. The parents are heterozygous

 

Q4) What does the below pedigree conclude?

  1. Autosomal dominant
  2. Autosomal recessive
  3. X-linked dominant
  4. X-linked recessive

 

Q5) Given below is a pedigree chart showing the inheritance of a certain sex-linked trait in humans

 

 

 

 

 

 

 

 

 

 

 

The trait traced in the above pedigree chart is

(a)    Dominant X-linked

(b)    Recessive X-linked

(c)    Dominant Y-linked

(d)    Recessive Y-linked

 

FOR SOLUTIONS WATCH:

ALSO WATCH: PEDIGREE ANALYSIS

 

 

 

 

 

 

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