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Fill in the Blanks 1. The study of the pattern of chromosomes from parents to the offspring is called ……….. . 2. The wings of a bird and mosquito are ……….. organs. 3. In Mendel’s experiment, the trait which did not appear in the F1 generation was said to be …………. . 4. The number of X chromosomes in a human ovum is ……….. . 5. ……….. proposed the “Theory of Natural Selection”. 6. If a sperm carrying ‘X’ chromosome fertilises an ovum, then the child bom will be a ……….. . 7. The process by which new species develop from the existing species is known as ……….. . 8. Transitional fossils like ……….. is a connecting link between reptiles and birds.

Fill in the Blanks

1. The study of the pattern of chromosomes from parents to the offspring is called ……….. .
2. The wings of a bird and mosquito are ……….. organs.
3. In Mendel’s experiment, the trait which did not appear in the F1 generation was said to be …………. .
4. The number of X chromosomes in a human ovum is ……….. .
5. ……….. proposed the “Theory of Natural Selection”.
6. If a sperm carrying ‘X’ chromosome fertilises an ovum, then the child bom will be a ……….. .
7. The process by which new species develop from the existing species is known as ……….. .
8. Transitional fossils like ……….. is a connecting link between reptiles and birds.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
1. Heredity 2. analogous 3. recessive 4. two 5. Charles Darwin 6. girl 7. speciation 8. Archaeopteryx

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