BONUS #1 This is a throwback to last block that does overlap…

BONUS #1 This is a throwback to last block that does overlap with this block… get your Punnett on!  A man with normal vision who is a dwarf due to achondroplasia has children with a woman who is colorblind and of average height. Dwarfism caused by achondroplasia is autosomal dominant, and red-green color blindness is X-linked recessive.   What proportion of their sons are expected to be color blind and of normal height?