Fundamentals of Genetics and Evolution

IMPORTANT

Fundamentals of Genetics and Evolution: Overview

This topic covers concepts, such as Evolution, Genetics, Heredity, and Variation.

Important Questions on Fundamentals of Genetics and Evolution

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Escherichia coli strains (I-IV) with mutations in the lac operon were studied for β- galactosidase activity, followed by measuring its mRNA and protein levels (Graphs). The arrow indicates the time of addition of a compound (namely IPTG) that induces the lac operon. Based on the results, the correct option(s) is(are)

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Arrange the following biological discoveries in the correct chronology from the earliest to the latest.
i. British biochemist Frederick Sanger introduces his 'plus and minus' method for DNA sequencing.
ii. American scientists Walter Gilbert and Allan Maxam introduce their method of DNA sequencing using chemical processes to terminate DNA strands.
iii. Swiss physician Friedrich Miescher discovers and isolates DNA
iv. Canadian-American researchers Oswald Avery and Colin Munro MacLeod, along with American geneticist Maclyn McCarty, working on experiments on pneumococcal bacteria, establish that DNA could transform the properties of cells.
v. American biologist James Watson and English physicist Francis Crick discover the double helix when solving the three-dimensional structure of DNA, working from crystallographic data produced by Rosalind Franklin and Maurice Wilkins.

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Assertion: Excessive use of pesticides and herbicides has no effect on resistant varieties of microbes.
Reason: Pathogenic bacteria are appearing in a very short period of time because of chemical resistance.

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What is the scientific name of the plant that Mendel used for his experiment?

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Which of the following theory states that, the life originated on the earth from non-living matter?

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_______ is called father of genetics.

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The inheritance or transmission of characters from one generation to next is called

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What was the process that changed the atmosphere of the earth and resulted in diversities in evolution of life?

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Who from the following is known as the “Father of Human genetics”?

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Study of heredity and variation is called

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A total of 512 seeds are collected from the cross between AaBb × AaBb. Find the number of plants produced with the genotype AAbb and Aabb.

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More than one adaptive radiation occurred in an isolated geographical area, it is called as:

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Who is the father of human genetics?

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A study of heredity and hereditary character is called as:

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The change in genotype of male and female parents during crosses is known as

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The theories enunciated by Mendel are

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If an offspring shows any one of the characters of either of parents, the:

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Preformation theory concerning transmission of characters was given by

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Who has put forth Mendel's conclusions in the form of laws?