The first recorded instance of a point mutation is $...$.

  • A
    Ancon sheep with short legs by Seth Wright
  • B
    White-eyed Drosophila by Morgan
  • C
    Auxotrophic Neurospora mutants by Beadle and Tatum
  • D
    $E$. coli mutants by Joshua Lederberg

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Similar Questions

The defect sickle-cell anaemia is caused by the . . . . . . of glutamic acid by valine at the $6^{th}$ position of the . . . . . . globin chain of the haemoglobin molecule.

Which phenomenon leads to the variation in $DNA$?

Who discovered the mutagenic effect of $X$-rays?

Which one of the following is a physical factor that induces mutation?

$A$ chimera is produced due to:

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