doi:10.1111/j.1600-0897.2009.00758.xRichard BronsonBlackwell Publishing LtdBRONSON R (2009). What the sperm says and the egg hears - a tale of two proteins and more. Am J Reprod Immunol 62: 357-364.
How are ciliated epithelial cells specialized? What are the inner cells of the blastocyst called? What are the functions of epithelial tissue? What is a non-viable cell produced in oogenesis? A. ovum B. egg C. polar body D. sperm
You can’t get pregnant from oral sex alone. Pregnancy happens when sperm fertilizes an egg, and the only way to access those eggs is through the vagina. Oral Sex and Cancer Oral sex doesn't directly cause cancer, but it can raise your odds of getting HPV, which may lead to cancer....
Sperm are male gametes, reproductive cells that contain half a set of chromosomes that can be joined with a female gamete to form a zygote. If allowed to develop, the zygote will turn into an embryo and eventually will mature into a baby. Male gametes are found in semen, a fluid produced...
What are duplicated chromosomes called? What type of cell division produces gametes (egg for women, sperm for men)? A. Mitosis B. Meiosis Identify and name the following: A cell that contains two haploid sets of chromosomes. A diploid germ cell will produce cells th...
What are Gonads? What is Sperm Spinning? Discussion Comments ByBigBloom— On Feb 28, 2011 This word comes from the word for "seed" or "to sow" in Greek. That is apt, because when the sperm is planted, it causes a baby to grow forth. Metaphors between planting seeds and the sexual ...
Keep reading to learn more about zygotes, including what they are, how they form, and what happens to turn them into living, breathing babies. What Is a Zygote? When the egg and sperm come together (a process called fertilization), they form a zygote. This is essentially a fertilized egg...
Birth control pills are also called oral contraceptives, or the pill. It is medicine that helps prevent pregnancy by stopping ovulation. Ovulation is when the ovaries make and release an egg cell each month. If this egg gets fertilized by sperm, pregnancy occurs. You will need to take the ...
Within the context of biology this practice takes on special importance, as scientists from many biological disciplines work toward a single classification system that incorporates all organisms that have ever lived. Both the practice and the product of this grand biological classification are called...
Identical twins look alike. You could have them if your egg splits into two after it's fertilized by sperm. This happens randomly. Fraternal twins don't look alike. You can become pregnant with them if more than one egg is released by your body and both are fertilized by sperm. While ...