Download Genetic Birth Defects

Genetic Birth Defects
By Darius Coulter
2nd period
Extra credit
Trimosy 18

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A presence of three copies of
chromosome 18 are copied instead
of two.
It’s named after of John H.Edwards
who first described it in 1960.
Can You Die From It?


You can actually from Trimosy 18
Most babies die before birth and the
few that make it die within a few
days of birth.
How Many Chromosomes Are
the children born with?



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A child with Trimosy 18 is born with
47 chromosomes with three copies
of chromosome 18
The gamete has 24 chromosomes.
Most children are born with only 46
chromosomes.
23 from the father and 23 from the
mother.
Does This Happen Often?

Very rarely does chromosome 18
attach itself to another chromosome
which is called translocation before
or after conception.
What’s The Affects Of Trimosy
18?

Infants born with Edwards Disease may have some of the followingkidney malfunction and structural heart defects at birth.