Absence or excess or abnormal arrangement of one or more chromosomes results in
a) point mutation
b) chromosomal disorders
c) mendalian disorders
d) gene mutation
Dear Student,
Option B is correct. Absence or excess or abnormal arrangement of one or more chromosomes is chromosomal disorders.
Examples of Chromosomal disorders are:
1) Down' s Syndrome: gain of extra copy of chromosome 21.
2) Turner' s Syndrome: Loss of X chromosome in females.
Option B is correct. Absence or excess or abnormal arrangement of one or more chromosomes is chromosomal disorders.
Examples of Chromosomal disorders are:
1) Down' s Syndrome: gain of extra copy of chromosome 21.
2) Turner' s Syndrome: Loss of X chromosome in females.
Hope this information will clear your doubts about topic.
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