Lecture- 13 Linkage and Its Estimation and Chromosome Mapping

OUTLINE NOTES

सहलग्नता  इसका मापन और गुणसूत्रीय मापन (Linkage and Its Estimation and Chromosome Mapping):-

सहलग्नता (Linkage):- एक गुणसूत्र पर पास – पास उपस्थित 2 युग्मविकल्पी जब साथ – साथ वंशागत होते हैं तो इसे सहलग्नता कहते हैं।

(When two alleles present together on a chromosome are inherited together, it is called linkage.)

नोट:- जीन विनिमय अधिकतम 50% ही हो सकता है।

(Note:- Crossing over can be up to 50% only.)

सहलग्नता मापन या गुणसूत्रीय मापन (Linkage Estimation or Chromosome Mapping):- गुणसूत्र पर उपस्थित जीनों के क्रम  उनके मध्य जीन विनिमय की आवृति को निर्धारित करने की प्रक्रिया को सहलग्नता मापन कहते हैं।

(The process of determining the sequence of genes present on a chromosome and the frequency of crossing over between them is called linkage mapping.)


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