answers)
Pre-embryonic Stage correct answers fetal development in the first 2 weeks beginning with
fertilization
Embryonic Stage correct answers fetal development 3 weeks to 8 weeks
Fetal Stage correct answers fetal development from 8 weeks through birth
Fertilization correct answers the union of the ovum and sperm (conception or impregnation)
24-48 hours correct answers how soon is the mature ovum capable of fertilization
48-72 hours correct answers sperm lifespan
Hyaluronidase correct answers enzyme released by sperm after reaching the oocyte to enable
conception, dissolving the hyaluronic acid polymers within the corona radiata
Zona Pellucida correct answers thick transparent membrane surrounding the ovum before
implantation
Corona Radiata correct answers the inner protective glycoprotein layer of the ovum
Acrosin correct answers enzyme that helps dissolve the zona pellucida
Ovum correct answers stage of fetal growth from ovulation to fertilization
Zygote correct answers stage of fetal growth from fertilization to implantation
Embryo correct answers stage of fetal growth from implantation to 5-8 weeks gestation
Fetus correct answers stage of fetal growth from 5-8 weeks until term
Conceptus correct answers developing and placental structure throughout pregnancy
Age of Viability correct answers earliest age is 24 weeks or when fetus weighs 500 to 600 grams
23 correct answers number of chromosomes the ovum and sperm provide during fertilization
XX correct answers sex chromosomes for a female ovum
XY correct answers sex chromosomes of a male sperm cell