Which would MOST LIKELY produce a mutation that is passed on to offspring? Group of answer choices

-radiation changing the DNA sequence in skin cells

-a gamete (sperm or egg cell) with an extra chromosome forming

-tobacco smoke altering the genes in lung cells

-exposure to chemicals altering nerve cell funtion

When analyzing tree rings, what do scientists assume a thin ring indicates?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.