Biology - Sex Determination
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Question 1 of 47
1. Question
The males of grasshoppers and bugs posses two sets of autosomes and:
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Question 2 of 47
2. Question
The sex determination pattern in honeybee is called:
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Question 3 of 47
3. Question
Which of the following is not true?
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Question 4 of 47
4. Question
Larva of Bnellia settling near the proboscis of adult female develops into male due to:
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Question 5 of 47
5. Question
Heterogametic male condition does not occur in:
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Question 6 of 47
6. Question
Which of the following symbols are used for representing sex chromosomes of birds ?
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Question 7 of 47
7. Question
Genic balance theory of sex determination was proposed by:
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Question 8 of 47
8. Question
Balance theory of sex determination holds good for:
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Question 9 of 47
9. Question
Drosophila melanogaster has:
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Question 10 of 47
10. Question
Sex determination in Drosophila melanogaster is based on:
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Question 11 of 47
11. Question
In Drosophila, the sex is determined by:
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Question 12 of 47
12. Question
Super male and super female type of determination of sex in Drosophila is based on:
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Question 13 of 47
13. Question
2A+ XO Drosophila are:
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Question 14 of 47
14. Question
Which of the chromosomal formulation is responsible for the expression of meta- male character in Drosophila?
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Question 15 of 47
15. Question
According to genic balance theory, X/A= 1.5 Drosophila individual will be:
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Question 16 of 47
16. Question
When an animal has both the characters of male and female, it is called:
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Question 17 of 47
17. Question
A fruityfly exhibiting both male and female traits is:
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Question 18 of 47
18. Question
The term ‘gynandromorph’ was introduced by:
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Question 19 of 47
19. Question
Gynandromorphs are:
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Question 20 of 47
20. Question
Gynandromorphism in certain flies is the result of:
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Question 21 of 47
21. Question
Gynandromphs are animals having:
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Question 22 of 47
22. Question
In most animals, sex of the offspring is established during:
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Question 23 of 47
23. Question
Sex determining chromosomes are called:
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Question 24 of 47
24. Question
Sex chromosomes are also called:
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Question 25 of 47
25. Question
Sex chromosomes of male are:
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Question 26 of 47
26. Question
XY sex chromosomes were discovered by:
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Question 27 of 47
27. Question
In which of the following the sex chromosomes were discovered for the first time in plants?
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Question 28 of 47
28. Question
In Melandrium, the sex determination type is:
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Question 29 of 47
29. Question
Sex chromosomes are found in the cells of:
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Question 30 of 47
30. Question
Which one is found in males only?
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Question 31 of 47
31. Question
The male child is born when sperm with:
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Question 32 of 47
32. Question
Sex of a human child is determined by:
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Question 33 of 47
33. Question
A girl receives her X- chromosomes from:
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Question 34 of 47
34. Question
A boy receives his X- chromosome from:
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Question 35 of 47
35. Question
In human sex determination the key factor is:
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Question 36 of 47
36. Question
Human Y- chromosome is:
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Question 37 of 47
37. Question
In human being, the chromosomal condition of male is:
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Question 38 of 47
38. Question
In recent years, DNA sequences (nucleotide sequence ) of mt- DNA and Y-chromosomes were considered for the study of human evolution, because:
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Question 39 of 47
39. Question
A family has five girls and no sons.Probability of son in the sixth child will be:
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Question 40 of 47
40. Question
Probability, of four sons to a couple is:
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Question 41 of 47
41. Question
Unfertilized egg of human contains:
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Question 42 of 47
42. Question
In human zygote , male sex is determined by:
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Question 43 of 47
43. Question
Average ratio of men and women in human population is:
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Question 44 of 47
44. Question
In man, sex determination depends upon chromosomes present in:
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Question 45 of 47
45. Question
When released from ovary, human egg contains:
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Question 46 of 47
46. Question
XX- chromosomal condition is:
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Question 47 of 47
47. Question
The chromosome that determines the male sex in human is called:
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