Genes are segments of dna that are the basic unit of heredity. they are passed on from parent to offspring.
the gene form of a trait is called a(n) .
an organism’s allele combination is called the .
the physical appearance of an organism is called the

9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)