Rett syndrome is caused by mutations in the MECP2 gene and follow...

2. Mendel's Laws of Inheritance

Sex-Linked Genes

2. Mendel's Laws of Inheritance

ANSWERS OPTIONS

It takes two defective alleles for the condition to be phenotypically expressed in females.

It only affects females.

The trait will skip in one generation.

Once one allele is defective, the condition is expressed phenotypically.

Rett syndrome is caused by mutations in the MECP2 gene and follows an X-linked dominant pattern of inheritance. Which of the following statements is therefore true?