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q what are the male pronucleus and the female pronucleusthe female pronucleus is the proper haploid nucleus of the egg cell and male pronucleus is
q how does the male gamete penetrate the egg cell how does the female gamete protect itself from the entrance of more gametes after the entrance of
q what is the relationship between the ovulation and menstrual cycleovulation is the releasing of the female gamete from the ovary and ovulation is a
q what is the second polar bodyafter termination of the second meiotic division of the oocyte ii two cells are generated the second polar body and
q what is the relation between fecundation and the end of the meiotic process during oogenesisthe oocyte ii only completes the second meiotic
q what is the first polar body how different is it from the oocyte iiin oogenesis the oogonium differentiates into oocyte i 2n and this cell enters
q indicating the name and respective ploidy of each involved cell how can the formation of egg cells from germ cells be describedthe formation of egg
q concerning events during the periods of life how different is the gametogenesis in men and in womenthe formation of spermatogonia in men takes
q why is the cytoplasm of sperm cells very reduced why do mitochondria of sperm cells concentrate in the base of the flagellumthe reduced cytoplasm
q what is the function of the flagellum of the sperm cell how is it formedthe flagellum of the sperm cell is made by the centrioles that migrate to
q what is the acrosome of the sperm cell how is it formedthe acrosome is a structure that contains a great number of digestive enzymes it is formed
q what is the difference between sperm and spermatids cells what is the name of the transformation of spermatids into sperm cellssperm cells the male
q what is the difference between spermatid and spermatocyte iithe spermatids n are the products of the second division of meiosis meiosis ii in the
q what is the difference between spermatocyte ii and spermatocyte ithe spermatocyte i 2n undergoes the first division of meiosis meiosis i
q what is the difference between spermatocyte i and spermatogonium the male germ cells are the spermatogonia diploid cells 2n situated in the
q indicating the name and respective ploidy of each involved cell how can the formation of sperm cells from germ cells be describedthe formation of
q what are gonads what are the male and the female gonads in humansgonads are the organs that produce gametes they contain the germ cells that
q what is the name of the cells capable of making gametes what is the ploidy of these gamete-forming cellsthe cells that form gametes are the germ
q what is the kind of cell division that allows sexual reproduction what is gametogenesismeiosis is the kind of cell division that permits sexual
q what are gametesgametes are cells specialized in sexual reproduction and they contain half of the maximum number of chromosomes of the species and
q what is the name given to conditions in which the own immune system of the individual is the agent of diseases what are some examples of these
q what is the dna vaccinethe dna vaccination or is a vaccination technology based on genetic engineering in dna vaccine a recombinant plasmid vector
q why are vaccines used in the prevention but not in the treatment of infections why can antivenom serums be used in prevention and treatmentvaccines
q why does not a long lasting vaccine against common cold exist yetviruses that present a high mutation rate like the virus that causes the common
q what are the types of antigenic agents that may constitute vaccinesvaccines can be constituted of dead agents of disease of inactivated toxins of