and depending on which copy of the X chromosome each cell chooses to leave active, either an orange or black coat color results. X inactivation only occurs in cells with multiple X chromosomes ...

An international team of scientists has uncovered new insights into how the previously understudied duplicate X chromosome in ...

the paternal germline initiates meiotic sex-chromosome inactivation, but the X chromosome is completely reactivated after meiosis. The zygote inherits two fully active X chromosomes and begins re ...

Ectrodactyly-ectodermal dysplasia-clefting syndrome (EEC syndrome ... the result of a mutation in the q arm or long arm region of chromosome seven. EEC syndrome is inherited in an autosomal ...