Which of the following items is out of place?

George is partially colorblind yet his sister is not, but her sons are partially colorblind. These family traits are best described by which of the following statements?

a. Partial color blindness occurs only in men. b. The gene responsible for partial color blindness has nothing to do with gender. c. George's and his sister's eye color chromosomes are different. d. Partial color blindness is a sex-linked trait that affects mostly males.

According to studies conducted by John et al. in 2013 and Paquette & Dumont in 2013, parents, especially fathers, are more likely to encourage rough-and-tumble play in sons than daughters

Indicate whether the statement is true or false