$A$ : Crossing over is exchange of genetic material between non-homologous chromosomes.
$R$ : It produces new linkages.
$A$ : Crossing over is exchange of genetic material between non-homologous chromosomes.
$R$ : It produces new linkages.
- A
Assertion and Reason both are correct and also correct explanation.
- B
Assertion and Reason both are correct but not explanation of assertion.
- C
Assertion is correct, but Reason is incorrect.
- D
Both Assertion and Reason are incorrect.
Similar Questions
Linkage decreases the frequency of
Linkage decreases the frequency of
Alleles of different genes that are on the same chromosome may occasionally be separated by a phenomenon known as
Alleles of different genes that are on the same chromosome may occasionally be separated by a phenomenon known as
For the preparation of genetic maps, the recombination frequencies between genes are additive over short distances but not over long distances due to
For the preparation of genetic maps, the recombination frequencies between genes are additive over short distances but not over long distances due to
Exchange of genetic material between chromatids of homologous chromosomes during meiosis is called
Exchange of genetic material between chromatids of homologous chromosomes during meiosis is called
- [AIPMT 1996]
Select the incorrect statement(s) from the options given below with respect to dihybrid cross.
$I.$ Tightly linked genes on the same chromosome show higher recombinations.
$II.$ Genes far apart on the same chromosome show very few recombinations.
$III.$ Genes loosely linked on the same chromosome show similar recombinations.
Select the incorrect statement(s) from the options given below with respect to dihybrid cross.
$I.$ Tightly linked genes on the same chromosome show higher recombinations.
$II.$ Genes far apart on the same chromosome show very few recombinations.
$III.$ Genes loosely linked on the same chromosome show similar recombinations.
- [AIIMS 2018]