Which of the following is true about linkage

$I.$ It is phenomenon in which more recombinants are produced in $F_{2}$-generation

$II.$ More parental combination are produced in $F_{2}$-generation

$III.$ Genotype which are present in $F_{1}$ hybrid. Reappear in high frequency in $F_{2}$-generation

$IV.$ It is a phenomenon in which two chromosome are linked

  • A

    Only $I$

  • B

    Only $II$

  • C

    $I$ and $III$

  • D

    $III$ and $IV$

Similar Questions

Which of the following pairs is $wrongly$ matched?

  • [NEET 2018]

Match the following:

Column $- I$ Column $- II$
$(1)$ Inheritance of two genes $(a)\; ABO$ blood group
$(2)$ Incomplete dominance $(b)\; 1:2:1$
$(3)$ Codominance $(c)\;9:3:3:1$
$(4)$ Inheritance of one gene $(d)\; 3:1$

Marriages between close relatives and cousins is not advisable because

How many sentence are correct ?

$(i)$ Every gene contains the information to express a particular trait.

$(ii)$ Gene responsible for $\beta$ - thalassemia is present on $21^{st}$ pair of autosomal chromosome.

$(iii)$ Mendel's approach of using mathematics to explain biological phenomena was totally new and unacceptable to many of the biologists of his time.

Pick out the correct statements.

$(1)$ Haemophilia is a sex­linked recessive disease.

$(2)$ Down’s syndrome is due to aneuploidy.

$(3)$ Phenylketonuria is an autosomal recessive gene disorder.

$(4)$ Sickle cell anaemia is an $X$-­linked recessive gene disorder.

  • [NEET 2016]