Don't really understand this *zoom out*

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."

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.