Which of the following is incorrectly paired

  • A

    $Sry$-gene-$X$-chromosome

  • B

    $2n-2$-nullisomic

  • C

    Nucleoid prokaryote

  • D

    Polytene chromosome-Drosophila

Similar Questions

A pure breeding pea plant with the dominant phenotype of character $A$ and recessive phenotype of character $B$ was crossed with another pure breeding plant with the recessive phenotype of $A$ and dominant phenotype of character $B. A$ offspring of this cross was crossed with a homozygous recessive for both the characters -$A$ and $B$. The following results are obtained $22$ were phenotypically dominant for $A$ and recessive for $B$.

$4$ were phenotypically dominant for both $A$ and $B$.

$4$ were phenotypically recessive for both $A$ and $B$.

$24$ were phenotypically recessive for $A$ and dominant for $B$.

These results show that

Which one of the following pairs is correctly matched

Repressor of lac-operon

The banding pattern indicates that

Nobel prize winner E.W. Sutherland demonstrated