Trisomy of chromosome number 21 in man causes:

Trisomy of chromosome No. 21 in humans creates a disease syndrome which is

Trisomy of chromosome 21 causes:

Genetic disorder due to trisomy of chromosome 21 in humans is :

In Down syndrome , karyotyping has shown that the disorder is associated with trisomy of chromosome number 21 usually due to:

In Down syndrome , karyotyping has shown that the disoeder is associated with trisomy of chromosome number 21 usually due to:

Trisomy of 21st chromosome in human causes -

Genetic disorder due to trisomy of chromosome 21 in humans is.

Karyotype of a child shows trisomy of chromosome number 21. Identify the disorder and state the symptoms which are likely to be exhibited in this case.

Which of the following characters are seen in an individual with trisomy of chromosome number 21 ? A. Psychomotor and mental development is retarded B. Mental retardation C. Presence of gynaecomastia D. Loss of skin pigmentation

Which of the following characters are seen in an individual with trisomy of chromosome number 21 ? A. Psychomotor and mental development is retarded B. Mental retardation C. Presence of gynaecomastia D. Loss of skin pigmentation