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ICSE Class X Biology 2020 Papers

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A homozygous dominant tall pea plant bearing red flowers (TTRR) is crossed with a homozygous recessive dwarf pea plant bearing white flowers (ttrr).
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Question : 92 of 97
Marks: +1, -0
Name two X-linked disorders found in humans.
Solution:  
' XX ' linked disorders :
1. Colourblindness.
2. Haemophilia
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