Template:BGDA Practical 3 - Fertilization Interactive

Fertilization Interactive Component

Attempt the Quiz - Fertilization
Here are a few simple Quiz questions that relate to Fertilization from the lecture and practical. Point added for a correct answer:    Points for an incorrect answer: Ignore the questions' coefficients: 1 At fertilisation: male and female pronuclei complete their meiotic division male and female pronuclei enter interphase cyclic AMP (cAMP) is secreted by the zygote to block polyspermy the zona pellucida is discarded All of the above. 2 All of the following are essential for successful fertilization except: capacitation of the sperm transport of the sperm through the female genital tract transport of the zygote to the uterine cavity separation of the sperm from semen bidirectional movements of gametes in the uterine tube 3 Fertilization commences when a spermatozoon makes contact with an oocyte and ends: with the intermingling of maternal and paternal chromosomes at metaphase of the first cleavage division when the spermatozoon is completely taken into the ootid when the spermatozoa penetrates the zona pellucida with the formation of the second polar body all of the above 4 Transport of sperm through the cervix is assisted by all of the following except: capacitation of the sperm the time of the female cycle properties of the cervical mucus contractile activity of the uterus pH {Select the component below that does not contribute to the zygote:	type="()"} - mitochondria - nucleolus - one centriole - Y chromosome + polar bodies	The polar bodies do not contribute to the zygote, they are extruded and lost after this first cell stage. All the other components form part of the maternal and paternal contributions to the early zygote.