Advertisements
Advertisements
प्रश्न
What is the reason for the 21st trisomy?
Advertisements
उत्तर
21st Trisomy occurs due to non-disjunction or failure of separation of chromosomes (autosomes) during gamete formation.
APPEARS IN
संबंधित प्रश्न
Why is pedigree analysis done in the study of human genetics? State the conclusions that can be drawn from it.
Feminised males have ______ chromosomes.
Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Identify the correct statement from the following.
A short stature with webbing of neck and low posterior hairline indicates ______ syndrome.
Genes for cytoplasmic male sterility in plants are generally located in ______.
Select the incorrect statement regarding pedigree analysis.
If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
Mongolism is a genetic disorder which is caused by the presence of an extra chromosome number ______.
The technique exployed in human genetic counselling is:
Describe Klinefelter’s syndrome.
