$21$ trisomy in humans causes
Klinefelter's syndrome
Down's syndrome
Turner's syndrome
Patau's syndrome
Alkaptonuria is caused due to
Mule is an offspring of
In which one of the following combinations (a-d) of the number of the chromosomes is the present day hexaploid wheat correctly represented?
Combination | Monosomic | Haploid | Nullisomic | TrisomicZ |
Haploids are more suitable for mutation studies than the diploids. This is because
Normally $DNA$ molecule has $A-T, G-C$ pairing. However, these bases can exist in alternative valency status, owing to rearrangements called