Can males (xy) be carriers for a sex-linked trait and not be affected? Explain using X-chromosome, carrier and placement of trait (hint: where is a sex-linked
trait located?)

Moving down the ramp from 6 meters to

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell

Darwin’s hypothesis about how life changes over time is now called?