41. The ability of gene to express itself in an individual that is carrying it, is called
42. The Egyptian and the Babylonians gave the idea of cosmic evolution which includes.
43. Which of the following branches provides direct evidence of organic evolution?
44. When autopolyploidy is combined with alloploidy, it results in
45. Linked gene are present on
46. The characteristics of modern atmosphere include:
47. Diversity of living organisms is due to
48. Genes present on Y-chromosomes are called
49. Assertion (A) In humans, female sex is determined by XX-chromosomes.
Reason (R) Male sex is determined by XY-chromosomes.
Reason (R) Male sex is determined by XY-chromosomes.
50. Which of the following are the chief sources of gene flow?
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