Bio 224A Reproductive MYLAB Flashcards
Meiosis starts with a single diploid cell and produces
Four haploid cells
A cell preparing to undergo meiosis duplicates its chromosomes during
Interphase
During prophase 1 of meiosis
Homologous chromosomes stick together in pairs
The correct order to events during meiosis is
prophase 1, metaphase 1, anaphase 1, telophase 1, cytokinesis, meiosis II
During meiosis, segments of nonsister chromatids can trade places. This recombination of maternal and paternal genetic material is a key feature of meiosis. During what phase of meiosis does recombination occur?
Prophase I
Mitosis produces cells that are __; meiosis produce cells that are ___
Diploid; haploid
The fusion of sperm and egg is known as
fertilization
Where does sperm production occur within the testis
seminiferous tubules
The term ___ describes the movement of sperm and accessory glands secretions into the urethra
emission
Spermiogenesis begins with a __ and ends with a ___
Spermatid, sperm
Which of the following is the main hormone that regulates spermatogenesis
testosterone
The innermost epithelial layer of the uterus is the
endometrium
Where does fertilization usually oocur
Ampulla of the uterine tube
Rank from first to last step of follicular development
Primordial follicle
Primary follicle
Secondary follicle
Vesicular follicle
Ruptured follicle
Corpus luteum
Corpus albicans
A young female has begun taking herbal supplements that mimic the effects of progesterone. What affect will this have on her monthly cycle?
She will most likely not menstruate because the high levels of progesterone will maintain her endometrial lining, mimicking pregnancy.
