Normally, people have two copies of each chromosome total. The separated chromatids are now individual chromosomes. Patients with this type of Down syndrome have milder symptoms. The chromosomes pair up so that both copies of chromosome 1 are together, both copies of chromosome 2 are together, and so on.
The parent still has two copies of chromosome 21, but one of the copies may be attached to another chromosome. In order to make sure children with Down syndrome are able to effectively learn communication skills, it is important to make sure that no physical conditions are impeding the learning process.
Since there is no gain or loss of genetic material, this chromosome arrangement has no effect process of sex cell division in New Orleans the parent's health.
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Health and Medicine Engineering, Science and Technology. Thankyou, we value your feedback! I Understand. How helpful was this page? Their findings shed new light on fertility and may lead to greater understanding of the factors that lead to birth defects.
The chromosomes pair up so that both copies of chromosome 1 are together, both copies of chromosome 2 are together, and so on.