A. 12
B. 24
C. 22
D. 23
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Related Mcqs:
- A normal plant suddenly started reproducing parthengentically. the number of chromosomes of the second generation compared to the parent plant will be____________________?
- A. Double B. One half C. One fourth D. Same...
- Haploid plants have been produced by another culture in tomato by_________________?
- A. Greshof and Doy (1972) B. Tyagi and Prasad (1965) C. Mehta and Upadhya (1960) D. Singh (1960)...
- If a haploid chromosome number of a gymnosperm is 12 the chromosome in its endosperm will be__________________?
- A. 6 B. 12 C. 24 D. 36...
- If diploid chromo me number in flowering plant is 8 then 4 chromosomes will be present in_________________?
- A. Endosperm cell B. Leaf cells C. Cotyledonary cell D. Synergids...
- When a cell with 40 chromosomes undergoes meiosis each of the four resulting cells has_____________________?
- A. 10 chromosomes B. 20 chromosomes C. 40 chromosomes...
- Duplication of chromosomes occurs during_________________?
- A. Mitosis only B. Meiosis C. Mitosis and meiosis D. None of the above...
- In meiosis homologous chromosomes separate from each other in ______________________?
- A. metaphase I B. Auaphase I C. Metaphase II D. Anaphase II...
- Polytene chromosomes were first observed by___________________?
- A. Mendel (1810) B. Balbiani (1881) C. Allard (1910) D. Baranetzky (1910)...
- A rearrangement of a group of genes in a chromosome in such a way that their order in the chromosomes is reversed is known as _____________________?
- A. Inversion B. Conversion C. Recessive gene D. Realignment...
- The giant chromosomes of Drosophila are found in_____________________?
- A. Testes B. Salivary glands C. Ovaries D. Muscles...
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