Chromosomal Theory of Inheritance
Chromosomal Theory of Inheritance: Overview
This topic briefs on the chromosomal theory of inheritance and the steps involved in this theory. It discusses the contributions of Walter Sutton and Theodore Boveri towards this theory. We will study the differences between chromosomes and genes.
Important Questions on Chromosomal Theory of Inheritance
Select the odd one out with respect to chromosomal theory of inheritance :
All of the given are reasons why Drosophila was used as experimental material by Morgan, except
Cytological observation made in a many number of ______ led to the development of the concept of genetic/chromosomal basis of sex determination
Match the following:
| List - I | List - II | ||
| (A) | Sutton and Boveri | (I) | Identification of Auxins |
| (B) | F.W. Went | (II) | Artificial synthesis of the gene |
| (C) | Hargovind Khorana | (III) | Role of chromosome in heredity |
| (D) | V.S. Rama Das | (IV) | Discovery of zymase |
| (V) | Contribution in photosynthesis | ||
The correct match is
Match the following lists:
| List I | List II | ||
| a | Ramanujam | i | De Historia Plantarum |
| b | Sutton and Boveri | ii | Palynology |
| c | Theophrastus | iii | Sexual system of classification |
| d | Carolus Von Linnaeus | iv | Sexual reproduction in plants |
| v | Chromosome theory of inheritance |
The exchange of genetic material between the two homologous chromosomes occurs in diplotene stage.
During zygotene stage the homologous chromosomes start forming pairs.
A scientist was awarded the Nobel prize for his genetic studies on the linear arrangement of genes on the chromosome in the fruit fly, Drosophila melanogaster. Who is this scientist?
Select the incorrect statement.
Morgan worked with Drosophila melanogaster because,
i) they complete their life cycle in two months.
ii) male and female flies are easily distinguishable.
iii) a single mating could produce a large number of progeny flies.
iv) it has many types of hereditary variations that can be seen with low power microscopes.
Experimental verification of 'chromosomal theory of inheritance' was done by ______.
Who noted that the behaviour of chromosomes was parallel to the behaviour of genes and uses chromosome movement to explain Mendel's law?
Morgan chose fruit flies (Drosophila melanogaster) as the study model for his experiment. Certain reasons made this organism suitable for the study. Which of the following is not one such reason?
Which of the following is incorrect about the Chromosomal Theory of Inheritance?
The genes, which remain confined to non homologous region of Y chromosome, are called
Which of the following is not related to the chromosomal theory of inheritance?
Which of the following is incorrect about the chromosomal theory of inheritance?
Which statement is not true for Drosophila melanogaster?
Which of the following species has the chromosome complement similar to that of Triticum aestivum?
Who observed that the behaviour of chromosomes at meiosis can serve as the cellular basis of both segregation and independent assortment?
