El proceso de fecundación consiste en
A. La producción de óvulos en el proceso de ovogénesis
D. La producción de células somáticas
B. La producción de espermatozoides en el proceso de espermatogénesis
C. La unión del óvulo y el espermatozoide para formar el cigoto

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.