The concept of a transgene has been broadly understood for more than 100 years, as the advent of genetic research made its way into the 20th century. As time went by, technologies evolved, and transgenes became widely used during the late 1970s and early '80s. Which is one reason scientists produce transgenic organisms? A) to create new species of organisms
B) to control microorganisms in the soil
C) to treat certain types of diseases
D) to prevent habitats from being destroyed

Abanana plant produces rhizomes, which are involved in?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity