PLEASE HELP! WILL GIVE BRAINLIEST. Please answer every question!

Matched chromosomes carrying information about the same characteristics in the organism are called

Which of th following best describes how genes produce traits in an organism?

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems