Observe the sex determination in the following:-
I. Human males = XY
II. Female hen = ZW
III. Male Drosophila = XY
IV. Male grasshopper = XO
V. Male birds = ZZ
Male heterogamety = A
Female heterogamety = B
Male homogamety = C
Which of the following combination is correct?
1. A–I, III, IV, B–II, C–V
2. A–II, IV, B–I, C–III
3. A–II, IV, B–I, C–II
4. A–III, IV, B–II, C–I
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIt is unfortunate that in our society women are blamed for producing female children and have been ostracised and ill-treated because:
1. | The sex is determined by the type of sperm fertilizing the egg |
2. | The sex is determined by the type of egg fertilizing the sperm |
3. | The sex is determined by the hormones produced by the fetus |
4. | The sex is determined by the God’s will |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
A couple has a daughter. What is the probability that their next child will be a daughter?
(1) 0 %
(2) 25 %
(3) 50 %
(4) 100 %
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySex of progeny is determined by female parent in
1. Drosophila
2. Bird
3. Human
4. Grasshopper
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHeterogametes are produced by
1. Human female
2. Female grasshopper
3. Female Drosophila
4. Female bird
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA woman receives her X chromosomes from:
1. Her mother only
2. Her father only
3. Both her mother and father
4. Mitochondria of mother only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology50% of the male gametes have only autosomes and the rest 50% have both autosomes and one sex chromosomes in
1. Grasshopper
2. Drosophila
3. Birds
4. Butterflies
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring his observation of spermatogenesis in a few insects, Henking found that a nuclear structure was received by 50 % of the sperms. What did he call this structure?
1. X – body
2. Y – body
3. X – chromosome
4. Y – chromosome
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose correct option with respect to given figure for determination of sex by chromosomal differences.
1. b after spermatogenesis forms only one type of gametes
2. b & c represents same sex
3. a, d are heterogametic
4. Sex determination in d is similar to grasshopper
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is developed by parthenogenesis:
A.Drones
B.Queen Honey bee
C.Worker honey bee
D.Both B and C
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology