$A $: Non-allosomic genic determination of sex is found in bacteria.
$R$ : Sex is dependent on some environmental factors in prokaryotes.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
Mendel's experimental material was
When an albino female plant of maizeis crossed with normal green male plant, all plants in the progeny are albino because
Linkage group is
The chromosome shown in the diagram below is broken at the points which are indicated by the arrows and the genes between these points became inverted
The resulting order of the genes will be
In a cross between white-flowered parents, $F_1$ progeny was uniformly purple-flowered. The $F_2$ progeny showed a phenotypic ratio $9 : 7$ between purple-flowered and white-flowered plants. The above result indicates that the flower colour is controlled by