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salantis [7]
4 years ago
8

Patau syndrome is cased by Edwards syndrome is caused by Trisomy X syndrome is caused by

Biology
2 answers:
Reil [10]4 years ago
7 0
  1. Patau syndrome is cased by the thirteenth chromosome.
  2. Edwards syndrome is caused by the eighth chromosome.
  3. Trisomy X syndrome is caused by and extra x chromosome .
Usimov [2.4K]4 years ago
5 0

Answer:

Patau syndrome is caused by having  cell in the body that has three copies of chromosome 13 instead of the usual two.

Edwards syndrome is caused by having  a third copy of all or part of chromosome 18.

Trisomy X syndrome is caused by a malformation in egg or sperm formation.

Explanation:

The phenomenon where one has three members of a homologous chromosome is called trisomy. Such children are mentally deficient, have a slit eyed appearance and have low chances of surviving because of reduced resistance to infections.

When nondisjunction involves all chromosomes, the resulting gametes are diploid. Patau, Edward and Trisomy X syndromes are examples gene mutations caused by nondisjunction.

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