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Nucleotides are monomers of DNA. What does each nucleotide consist of ?

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Important Questions on Genetics

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 17
A horse has 64 chromosomes and a donkey has 62. Mules result from crossing a horse and donkey. State which of the following is INCORRECT?
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 18
A couple went to a doctor and reported that both of them are "carriers" for a particular disorder, their first child is suffering from that disorder and that they are expecting their second child. What is the probability that the new child would be affected by the same disorder?
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 19
Conversion of the Bt toxin produced by Bacillus thuringienesis to its active form in the gut of the insects is mediated by
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 20
Restriction endonucleases are enzymes that cleave DNA molecules into smaller fragments. Which type of bond do they act on?
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 21
The distance between two consecutive DNA base pairs is 0.34nm. If the length of a chromosome is 1 mm the number of base pairs in the chromosome is approximately
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 22
A host cell has intracellular bacterial symbionts. If the growth rate of the bacterial symbiont is always 10% higher than that of the host cell, after 10 generations of the host cell the density of bacteria in host cells will increase
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 23
In a diploid organism, there are three different alleles for a particular gene. Of these three alleles one is recessive and the other two alleles exhibit co-dominance. How many phenotypes are possible with this set of alleles?
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>KVPY PREVIOUS YEAR QUESTIONS>Q 24
Two students are given two different double stranded DNA molecules of equal length. They are asked to denature the DNA molecules by heating. The DNA given to student A has a following composition of base (A:G:T:C::35:15:35:15). While that given to student B is (A:G:T:C::12:38:12:38) Which of the following statements is true?