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Segregation of genes takes place during...

Segregation of genes takes place during

A

Methphase

B

Anaphase

C

Prophase

D

Embroyo formation

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The correct Answer is:
To answer the question "Segregation of genes takes place during," we will analyze the options provided and explain the correct answer step by step. ### Step-by-Step Solution: 1. **Understanding Segregation of Genes**: - Segregation refers to the separation of alleles (gene variants) during the formation of gametes. According to Mendel's law of segregation, each gamete receives only one allele from each gene pair. 2. **Identifying the Process**: - The segregation of genes occurs during meiosis, which is the type of cell division that produces gametes (sperm and eggs). 3. **Analyzing the Phases of Meiosis**: - Meiosis consists of two main stages: Meiosis I and Meiosis II. The key phase for segregation is Meiosis I, particularly during Anaphase I. 4. **Evaluating the Options**: - **Metaphase**: This is when chromosomes line up at the metaphase plate, but segregation does not occur here. - **Anaphase**: This is the phase where homologous chromosomes are pulled apart to opposite poles of the cell, leading to segregation. - **Prophase**: This is the preparation stage for meiosis where chromosomes condense and pair up, but segregation has not yet occurred. - **Embryo Formation**: This occurs after fertilization and is not related to the segregation of genes. 5. **Conclusion**: - The correct answer is **Anaphase I** of meiosis, where the segregation of genes occurs. ### Final Answer: Segregation of genes takes place during **Anaphase I** of meiosis. ---
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ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-I (CONCEPTUAL QUESTIONS)
  1. Marriage between close relatives should be avoided because it induces...

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  2. A self-fertilizing trihybrid plant forms

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  3. Segregation of genes takes place during

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  4. An inherited character and its detectable variant is termed as :-

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  5. A trihybrid cross involve three pair of characters which will give ris...

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  6. When an "F"(1) individual is crossed with its either of the two parent...

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  7. If a homozygous red flowered plant is crossed with a homozygous white ...

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  8. How many type of genotypes are formed inF(2) Progeny obtained from sel...

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  9. A dwarf pea plant was treated with gibberellic acid. It grows as a pur...

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  10. A test cross is performed

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  11. If a cross is made between AA and aa, the nature of F(1) progeny will ...

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  12. When a tall plant with rounded seeds (TTRR) is crossed with a dwarf pl...

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  13. A pure tall and a pure dwarf plant were crossed to produce offsprings....

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  14. Hybrid of pure red flowered and white flowered Pea is crossed to pure ...

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  15. Mendel's Law was estabilished when :-

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  16. Mendel's laws of inheritance are applicable on the plants which :-

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  17. A cross used to ascertian whether an individual is dominant homozy...

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  18. The ratio in a dihybrid test cross between two individuals is given by...

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  19. A woman with albinic father marries an albinic man. The proportion of ...

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  20. A cross between pure tall pea plant with green pods and dwarf pea plan...

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