What vessles do blood flow to the heart?

How many chromosomes are in a gold fish?

I’m stuck on this question cuz i’m stupid sksksksk

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.