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In Snapdragon, a cross between true-bree...

In Snapdragon, a cross between true-breeding red flowered (RR) plants and true -breeding white flowered (rr) plants showed a progeny of plants with all pink flowers.
(a) The appearance of pink flowers is not known as blending. Why ?
(b) What is the phenomenon known as ?

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(a) The appearance of pink flowers in `F_(1)` generation is not called blending because both red and white flowers appear in `F_(2)` generation on selfing.
(b) This phenomenon is called incomplete dominance.
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SET - I SECTION B
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  12. In Snapdragon, a cross between true-breeding red flowered (RR) plants ...

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  13. Write the scientific name of the fruit-fly. Why did Morgan prefer to w...

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  14. Linkage and crossing-over of genes are alternatives of each other. Jus...

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  15. List the symptoms of Ascariasis. How does a healthy person acquire thi...

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  16. Explain the significant role of the genus Nucleopoyhedrovirus in an ec...

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  17. How does a restriction nuclease function ? Explain.

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  18. How have transgenic animals proved to be beneficial in : (a) Product...

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