The condition of sex chromosomes in a male child with Down's syndrome will be:

Absence or excess or abnormal arrangement of one or more chromosomes results in

If a female individual has a small round head,furrowed tongue,partially open mouth,and a broad palm with a characteristic palm crease,and also exhibits retarded physical,psychomotor,and mental development,the karyotype analysis of such an individual will show:

Which of the following is a correct match?

The Mongoloid condition is related to,or in mongolism,a patient shows:

Explain chromosomal disorders involving autosomes and sex chromosomes with examples.