acrosomal reaction
release of digestive enzymes by sperm that enables them to burrow through the corona radiata and penetrate the zona pellucida of an oocyte prior to fertilization
release of digestive enzymes by sperm that enables them to burrow through the corona radiata and penetrate the zona pellucida of an oocyte prior to fertilization
cap-like vesicle located at the anterior-most region of a sperm that is rich with lysosomal enzymes capable of digesting the protective layers surrounding the oocyte
third stage of childbirth in which the placenta and associated fetal membranes are expelled
finger-like outpocketing of yolk sac forms the primitive excretory duct of the embryo; precursor to the urinary bladder
alternative forms of a gene that occupy a specific locus on a specific gene
transparent membranous sac that encloses the developing fetus and fills with amniotic fluid
cavity that opens up between the inner cell mass and the trophoblast; develops into amnion
in humans, the 22 pairs of chromosomes that are not the sex chromosomes (XX or XY)
pattern of dominant inheritance that corresponds to a gene on one of the 22 autosomal chromosomes
pattern of recessive inheritance that corresponds to a gene on one of the 22 autosomal chromosomes