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Science Distinguish Between.

Heredity and Variation · Maharashtra Board STD 9 (MSBSHSE - English Medium). 2 questions.

Questions

Distinguish Between.

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2 questions · self-marked practice — reveal the answer and mark yourself.

Question 13 Marks
Turner syndrome and Klinefelter syndrome.
Answer
Turner syndromeKline fater syndrome
(i) It is due to monosomy of sex chromosome.(i) It is due to felter of sex chromosome.
(ii) Disorder in sex chromosome results in 44 + X condition.(ii) Disorder in sex chromosome results is 44 + XY condition.
(iii) Seen in women.(iii) Seen in men
(iv) Women suffering from this syndrome are sexually sterile.(iv) Men suffering from this syndrome are sexually sterile.
(v) There is presence of total 45 chromosomes instead of 46.(v) There is presence of total 47 chromosomes instead of 46.
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Question 23 Marks
DNA and RNA
Answer
DNARNA
(i) In DNA, the sugar present is deoxyribose.(i) In RNA, the sugar present is ribose.
(ii) In DNA, the nitrogen bases are adenine, guanine, cytosine and thymine.(ii) In RNA, the nitrogen base thymine is replaced by uracil.
(iii) DNA is double stranded.(iii) RNA is single-stranded.
(iv) DNA carries hereditary information(iv) RNA helps in protein synthesis.
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