Number of $(approximately)$ genes in E. coli are
$4000$
$6000$
$10000$
$18000$
It's Obvious
Assertion: An organism with lethal mutation may not even develop beyond the zygote.
Reason: All types of gene mutations are lethal.
The bacterium used in Griffith’s experiment was
One geneone enzyme hypothesis was postulated by
When one or more genes are missing from middle part of chromosome, it is called
One gene one enzyme'' theory was proposed by
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