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Given below is a pedigree chart with symbols for sex-linked trait in humans.

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The trait of the above pedigree chart is

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Important Questions on Genetics

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 174
 Cri-du-chat syndrome is due to chromosomal change involving
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 176
Melanurea (black urine) is caused by abnormal catabolism of
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 177
Which of the following is called the functional unit of inheritance?
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 179
The condition of sickle cell anaemia is due to
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 180
Sickle cell anaemia has not been elimainated from African population as
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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 184

Given below is a highly simplified representation of the human sex chromosomes from a karyotype. The genes a and b could be of

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 186

Which represents correct hexaploid nature of Wheat

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 7 - Genetics>EXERCISE>Q 187
Accumulation of protein, amyloid $\beta$ - peptide, in human brain causes