Back to MOLECULAR BASIS OF INHERITANCE
NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
1
Medium
1 of 1
Application
+4 | -1
What if the 25th codon (UAU) of the gene encoding a 50 amino acid polypeptide is mutated to UAA?
View answer and explanation
Correct option: A
A 24 amino acid polypeptide is formed
Option A (A 24 amino acid polypeptide is formed) is correct because the mutation to UAA introduces a stop codon at position 25, terminating translation prematurely.
More Questions from MOLECULAR BASIS OF INHERITANCE
Practice All Chapter MCQs →
The correct sequence of the first six amino acids in HbA beta globulin peptide is
Assertion: The bacteria and other prokaryotes
show high adaptability to the changing
environment.
Reason: Member of kingdom Monera are
efficient in regulating gene expression. Which of the following is not true for DNA polymerase? Dystrophin gene consists of Read the following four statements (i-iv).
i. In transcription, adenosine pairs with uracil.
ii. Regulation of lac operon by repressor is referred to as positive regulation
iii. The human genome has approximately 30,000 genes
iv. Haemophilia is a sex-linked recessive disease
How many of the above statements are correct? Reactive group of RNA is?
show high adaptability to the changing
environment.
Reason: Member of kingdom Monera are
efficient in regulating gene expression. Which of the following is not true for DNA polymerase? Dystrophin gene consists of Read the following four statements (i-iv).
i. In transcription, adenosine pairs with uracil.
ii. Regulation of lac operon by repressor is referred to as positive regulation
iii. The human genome has approximately 30,000 genes
iv. Haemophilia is a sex-linked recessive disease
How many of the above statements are correct? Reactive group of RNA is?