Open App

ACT Exam > ACT Videos > Biology for ACT > Linkage Group & Morgan's Theory

Linkage Group & Morgan's Theory Video Lecture | Biology for ACT

FAQs on Linkage Group & Morgan's Theory Video Lecture - Biology for ACT

1. What is a linkage group in genetics?

Ans. In genetics, a linkage group refers to a group of genes that are located on the same chromosome. These genes are said to be linked because they tend to be inherited together due to their physical proximity on the chromosome. Understanding linkage groups is crucial for studying the inheritance patterns of genes and the formation of genetic maps.

2. How did Thomas Hunt Morgan contribute to the theory of linkage groups?

Ans. Thomas Hunt Morgan, an American geneticist, conducted extensive research on fruit flies and made significant contributions to the theory of linkage groups. He discovered that certain traits in fruit flies were inherited together more frequently than others, which led him to propose the concept of gene linkage. Morgan's experiments and observations provided evidence for the existence of genes being located on specific chromosomes and laid the foundation for the understanding of linkage groups in genetics.

3. What is the significance of understanding linkage groups in genetic research?

Ans. Understanding linkage groups is crucial in genetic research as it helps in determining the relative positions of genes on a chromosome and their patterns of inheritance. By studying linkage groups, researchers can identify genes that are physically close to each other and tend to be inherited together. This information is used to create genetic maps, which are essential for studying the genetic basis of various traits and diseases, as well as for selective breeding and gene mapping.

4. How are linkage groups and genetic mapping related?

Ans. Linkage groups and genetic mapping are closely related concepts in genetics. Linkage groups provide information about the physical proximity and inheritance patterns of genes on a chromosome. This information is then used to create genetic maps, which depict the locations of genes on a chromosome. Genetic mapping involves determining the order and distances between genes on a chromosome. Linkage groups form the basis for creating accurate genetic maps, which are essential for various genetic studies.

5. Can genes in a linkage group ever be separated during genetic recombination?

Ans. Yes, genes in a linkage group can be separated during genetic recombination, although the frequency of separation depends on the distance between the genes on the chromosome. Genetic recombination occurs during the process of meiosis, where genetic material is exchanged between homologous chromosomes. If two genes in a linkage group are located far apart on the chromosome, they have a higher chance of being separated during recombination. Conversely, if the genes are located close together, they are less likely to be separated. The frequency of recombination can be used to estimate the distance between genes on a chromosome.

About this Video

1.3K Views

4.84/5 Rating

Oct 22, 2025 Last updated

Related Exams

ACT Grade 12 SSS 3 Grade 9 Grade 10 Grade 11 Grade 12 A Level Year 13 Year 12

Video Description: Linkage Group & Morgan's Theory for ACT 2025 is part of Biology for ACT preparation. The notes and questions for Linkage Group & Morgan's Theory have been prepared according to the ACT exam syllabus. Information about Linkage Group & Morgan's Theory covers all important topics for ACT 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Linkage Group & Morgan's Theory.

Introduction of Linkage Group & Morgan's Theory in English is available as part of our Biology for ACT for ACT & Linkage Group & Morgan's Theory in Hindi for Biology for ACT course. Download more important topics related with notes, lectures and mock test series for ACT Exam by signing up for free.

Description

Video Lecture & Questions for Linkage Group & Morgan's Theory Video Lecture | Biology for ACT - ACT full syllabus preparation | Free video for ACT exam to prepare for Biology for ACT.

Information about Linkage Group & Morgan's Theory

Here you can find the meaning of Linkage Group & Morgan's Theory defined & explained in the simplest way possible. Besides explaining types of Linkage Group & Morgan's Theory theory, EduRev gives you an ample number of questions to practice Linkage Group & Morgan's Theory tests, examples and also practice ACT tests.

	Biology for ACT 226 videos\|247 docs\|150 tests

Biology for ACT

226 videos|247 docs|150 tests

Join Course for Free

Explore Courses for ACT exam

Previous Year Questions with Solutions

Important questions

Summary

pdf