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In antirrhinum (sanpdragon) all its flow...

In antirrhinum (sanpdragon) all its flower was crossed with a white flower and in a `F_1` generation pink flowers where obtained. when pink flower were selfed the `F_2` generation show white, red and pink flowers. choose the incorrect statement from the following:

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Red ( dominant) flowered heterozygous crossed with white flower:

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A plant with red flowers was crossed with another plant with yellow flowers. If F_1 showed all flowers orange in colour, explain the inheritance.

A plant with red flowers was crossed with another plant of same species with white flowers, the plants of F, generation bore pink flowers. Explain the pattern with the help of a cross.

Two Antirrhinum plants, one with red flowers and the other with white flowers were crossed. Show the possible genotypes and phenotypes of the progeny of F_1 and F_2 generations using the Punnette square. Explain the pattern of inheritance.

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The F_2 plants are selfer. The white flowered plants produced only white flowered F_3 . Some of the purple flowered F_2 produced only purple flowered F_3 while others produced bothe white and purple flowered F_3 plants. Provide the genetic basis for the observation.

When a Snapdragon plant bearing pink colour flower was selfed, it was found that 69 plans were having red coloured flowers. What would be the number of plants bearing pink flowers and white flowers? Show with the help of Punnett square. Identify the principle of inheritance involved in this experiment.

MBD-MODEL TEST PAPER -1 -EXERCISE
  1. Why is offspring formed by asexual reproduction referred to as clone ?

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  2. How does colostrum provide initial protection against diseases to new-...

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  3. In antirrhinum (sanpdragon) all its flower was crossed with a white fl...

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  4. What is biogensis? Who proposed life is always formed from pre-existin...

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  5. Would it be appropriate to use DNA probes such as VNTR in DNA fingerp...

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  6. Why is the time of treatment for a gentic disease different from an in...

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  7. What is the function of TPA?

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  8. Why are green plants not found beyond certain depth in the ocean?

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  9. Assertion : Primary transcripts in eukaryotes are non- functional. Re...

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  10. Assertion : E.coli having pBR322 with DNA insert at BamH 1 site cannot...

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  11. Name the mode of reproduction that helps in producing genetically iden...

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  12. Assertion: In India , the human popultion is currently undergoing the ...

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  13. Many diseases can be diagnosed by observing the symptoms in the patien...

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  14. Read the paragraph and answer the following questions

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  15. Comment on the essential features required for an ideal contraceptive.

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  16. a man with blood group A married woman with blood group B. they have a...

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  17. Give an example for convergent evolution and identify the features to ...

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  18. What do you understand by the term selectable marker?

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  19. How is a continous culture system maintained in bioreactors and why?

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  20. Trophical regions are likely to have more biological diversity than te...

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