Homozygous plants have two identical copies of a single gene. Heterozygous plants have two copies of a single gene, but those copies are alleles, or different versions of that gene. Example of alleles controlling a trait for susceptibility to a lesion-causing disease.
Best Answer: Miley's dad is Billy Ray Cyrus. He is a country singer who also plays the guitar. His biggest hit is Achy Break Heart but other hit songs include Some Gave All (written about a soldier who gave his life fighting for his country) Busy Man, among others though none matched the success of Achy Breaky Heart.
Miley Cyrus has 1 Real sister - Noah 1 Real Brother - Brasion 1 Half sister - Brandi (just her mums daughter , but billy ray adopted her) 2 Half Brothers - Trace (just her mumâ¦s son , but billy ray adopted her) and Christopher Cody Cyrus (just her dads son) Chris lives with his mother and i don't think miley sees him much :S Noah is 10 Brasion is 15 ...