Genes are segments of a chromosome that are responsible for specific hereditary traits. select the best answer from the choices provided.
a. true
b. false

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

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

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?