NEET Biology question
Read the given statements. (i) Incomplete (mosaic) inheritance is an example of the pre-Mendelian concept of blending inheritance. (ii) A test cross is a special type of back cross. (iii) Chromosomal aberrations are commonly observed in cancer cells. (iv) Thalassaemia is a Mendelian disorder. Which of the above statements are correct?
Solution
Statement (i) is false: in true blending inheritance, parental phenotypes would be permanently and irreversibly lost in a blend, but in incomplete dominance, the original parental phenotypes clearly reappear unaltered in the F2 generation (e.g., red and white reappearing among the pink F2 of *Antirrhinum*), so it is
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