Question

Match the following % Table \begin{table}[h!] \renewcommand{\arraystretch}{0.9} % For better row height \centering \begin{tabular}{|l|l|} \hline List - I & List - II
\hline A) ABO blood groupings & I) Frame-shift mutations
\hline B) Starch synthesis in pea seeds & II) Sickle cell anemia
\hline C) Point mutation & III) Pleiotropy
\hline D) Deletion of DNA base pairs & IV) Co-dominance
\hline \end{tabular} \end{table}
The correct answer is

• A. A-IV, B-I, C-II, D-III
• B. A-IV, B-II, C-III, D-I
• C. A-III, B-IV, C-II, D-I
• D. A-IV, B-III, C-II, D-I

Hint:

In genetic disorders, always remember the types of mutations: - Point mutations: Small changes in a single nucleotide. - Frame-shift mutations: Involve insertions or deletions of nucleotides. - Pleiotropy: One gene influencing multiple traits. - Co-dominance: Both alleles in a pair are expressed equally.

Answer 1

The Correct Option is D

Step 1: Understanding the given statements:
- A) ABO blood groupings: The ABO blood groupings are inherited based on co-dominance, where both alleles are expressed. So, this matches with IV.
- B) Starch synthesis in pea seeds: This is an example of pleiotropy, where one gene affects multiple traits. Hence, it matches with III.
- C) Point mutation: A point mutation can cause a genetic disorder like Sickle cell anemia, which is a result of a point mutation in the hemoglobin gene. This matches with II.
- D) Deletion of DNA base pairs: A deletion of DNA base pairs leads to frame-shift mutations, which result in a change in the reading frame of the gene. This matches with I.
Thus, the correct matching is: \[ A - IV, \, B - III, \, C - II, \, D - I \]