Which of the following mutations is most likely to result in a heritable change? A. a chemical in cigarette smoke causes a mutation in a lung cell

B. radiation from x-rays causes a mutation in a brain cell

C. ultraviolet light from the sun causes a mutation in a skin cell

D. a substitution in DNA coding causes a mutation in a sperm cell

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

of those who start drinking before they're 15 will develop alcohol dependence

answer; i believe that the correct answer is(d) nondisjunction during meiosis;

what is shown in the image?

eukaryote

chloroplast

mitochondrion

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