No.
Caucasian
yes
it is the most popler up your but
yes. if that is true, then that means that down syndrome is genetic in yourfamily. try researching it up. look it up on google. i highly reccomend wikepedia.the more you know, the more able you will be to understand these poor kids.allison386Calling them "poor kids" is offensive. Down syndrome is a relatively common, and random, genetic variation--unless it is of the translocation type, which is a lot less common and is heritable.
Genetic defects also can take place when the egg or sperm are forming if the mother or father passes along some faulty gene material. This is more common in older mothers. The most common defect of this kind is Down syndrome
Down Syndrome is spread fairly evenly between males and females. There does seem to be a slightly higher incidence among males, however.
Yes, Down's Syndrome does not affect the ability to have children. Men with Down's Syndrome can father children in very rare circumstances, women with Down's Syndrome have about 50% chance of miscarriage.
Some of the common features with kids and babies with down syndrome are:upturned eyessmall, flat nosesmall mouth with a larger tonguea more round faceflatter featuresPalm of the hand has 1 crease not 2short stubby fingers5th finger turned inward
Klinefelters is sex chromosome trisomy. Down Syndrome is trisomy. One of the most common forms of MD is sex-linked and affects boys more frequently than it does girls.
The Down Syndrome Organisation of the UK has a wonderful website. To help you find out more about the syndrome, see the Related Link.
Females are not more likely to get Down's syndrome. Down's syndrome is slightly more common among males with most studies showing about 106 to 125 boys for every 100 girls. In some studies younger mothers, who have a lower total chance of having a baby with Down's syndrome, have a more skewed male:female ratio when they do (as high as 173 boys for every 100 girls). No one is sure why boy are affected more often.
Marfan syndrome is one of the more common inheritable disorders.