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QUESTION 1 Cats, dogs, sheep, cows and horses all have about the same amount of DNA. Cats have 10 pairs of chromosomes, dogs
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Answer #1

Ans.d) Dogs

Explanation: If the amount of DNA is equal in all the given organisms then the organism with maximum number of chromosomes would have smallest chromosomes. Let us take an example, If the total amount of DNA is 60 ng/cell ie; 60ng of DNA is distributed in 38 chromosomes(Cat),78 Chromosomes(Dog),54Chromosomes(sheep) etc. And we know that chromosomes are made up of DNA and proteins. If 60ng of DNA will form 78 chromosomes then their size will be smaller than 38 chromosomes having equal amount of DNA.

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