In the Blank 1. Animals use different mechanisms to achieve dosage compensation. All individuals have the same X chromosome dosage compensation.
Sex is determined by environmental factors.
Inactivate one X chromosome in individuals with 2 X chromosomes per somatic cell. 2 points each. Circle all the correct answers. The DAX1 gene is encoded on the X chromosome of mammals. A cat is female and is heterozygous for a gene on the X chromosome encoding coat color.