C) Hoy día es común encontrar hombres con rasgos femeninos y mujeres con rasgos masculinos. En estas personas es posible que se haya incrementado
respectivamente:
a. Los estrógenos y la testosterona.
b. La progesterona y la testosterona
c. La prolactina y la LH.

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.

Which identifies the main purpose of biological taxonomy?

What was the land like over 500 million years ago? what was under the sea?