Give scientific reasons: Linkage and crossing | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) Linkage and crossing over are considered alternatives because they have opposing effects on the inheritance of genes located on the same chromosom

Vedclass · Accepted Answer

Linkage keeps genes together,while crossing over separates them.

Vedclass · Answer

(A) Linkage and crossing over are considered alternatives because they have opposing effects on the inheritance of genes located on the same chromosome.Linkage is the phenomenon where genes located close together on the same chromosome tend to be inherited together,thereby reducing the frequency of recombination.Crossing over is the process of exchange of genetic material between non-sister chromatids of homologous chromosomes during meiosis,which leads to the separation of linked genes and increases genetic recombination.Therefore,while linkage promotes the parental combination of alleles,crossing over promotes the formation of new combinations (recombinants),making them functional alternatives in determining the inheritance pattern of linked genes.

Give scientific reasons: Linkage and crossing over of genes are alternatives of each other.

Similar Questions

In which of the following can recombination be observed?

In maize,the chromosome number is $2n = 20$. The number of linkage groups in it shall be:

The phenomenon that acts against linkage is......

Complete linkage is observed in.....

The recombination frequency between the genes $a$ and $c$ is $5\%$,$b$ and $c$ is $15\%$,$b$ and $d$ is $9\%$,$a$ and $b$ is $20\%$,$c$ and $d$ is $24\%$,and $a$ and $d$ is $29\%$. What will be the sequence of these genes on a linear chromosome?

Vedclass Test Series

Exam Paper Generator

Online Exam Module