Which parent carries the Down syndrome gene?

Which parent carries the Down syndrome gene?

One chromosome in each pair comes from your father, the other from your mother. Down syndrome results when abnormal cell division involving chromosome 21 occurs. These cell division abnormalities result in an extra partial or full chromosome 21.

What type of genetic disorder is Down syndrome classified as?

A medical term for having an extra copy of a chromosome is ‘trisomy. ‘ Down syndrome is also referred to as Trisomy 21. This extra copy changes how the baby’s body and brain develop, which can cause both mental and physical challenges for the baby.

What genotype would the parents have to be to have a child with Down syndrome?

Regular trisomy 21 – also known as standard or free trisomy 21 – in which all the cells have an extra chromosome 21. Around 94% of people with Down’s syndrome have this type. Translocation – in which extra chromosome 21 material is attached to another chromosome. Around 4% of people with Down’s syndrome have this type.

Can stress cause Down syndrome baby?

Down syndrome, which arises from a chromosome defect, is likely to have a direct link with the increase in stress levels seen in couples during the time of conception, say Surekha Ramachandran, founder of Down Syndrome Federation of India, who has been studying about the same ever since her daughter was diagnosed with …

What are the long term effects of Down syndrome?

Long-term (chronic) constipation problems. Sleep apnea (because the mouth, throat, and airway are narrowed in children with Down syndrome) Teeth that appear later than normal and in a location that may cause problems with chewing. Underactive thyroid (hypothyroidism)

Can Down syndrome be cured before birth?

Down syndrome can often be diagnosed before birth. After birth, your baby may be diagnosed with a physical exam. The healthcare provider may also take a blood sample. There is no cure for Down syndrome, but treatment is available to help your child.