Can you help ? If u can. Thank you.

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in