Down Syndrome Animals Wiki. Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. For 50 years the down’s syndrome association, has worked hard to improve knowledge and understanding about people with down’s syndrome among the general public.

Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on chromosome 21, either in whole (trisomy 21) or part (such as due to translocations).the effects of the extra copy varies greatly from individual to individual, depending on the extent of the extra copy, genetic background, environmental factors, and random chance. The average iq of a young adult with down syndrome is. Down's syndrome occurs in any other primate than human beings.

However, i would still be interested if there was trisomy mutations that occur in any other mammal than homo sapiens.

Less commonly, down syndrome occurs when part of chromosome 21 becomes attached (translocated) to another chromosome during the formation of reproductive cells (eggs and sperm) in a parent or very early in fetal development. Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on chromosome 21, either in whole (trisomy 21) or part (such as due to translocations).the effects of the extra copy varies greatly from individual to individual, depending on the extent of the extra copy, genetic background, environmental factors, and random chance. Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. Down syndrome is the most commonly occurring chromosomal condition.