Talk:BGDB Sexual Differentiation - Quiz

Here are a few simple questions that relate to your BGD practical, this page is not a part of today's Practical class. You should try in your own time after completing the Practical today.Take the quiz and see what you know, if you get some wrong, try working through through the 2010 BGD Practical - Fertilization to Implantation.

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1 Sex determination occurs initially through the SRY transcription factor acting on:

	primordial germ cells
	anterior pituitary
	testes support cells
	ovary support cells
	mesonephric duct cells

2 The adult spermatogenic epithelium is stimulated by follicle stimulating hormone (FSH)

	true
	false

3 The lower end of the mesonephric duct branches to form the:

	ureteric bud
	uterus bud
	urethral bud
	gonadal bud
	none of the above

4 The sequential development of the genital system can best be described as:

	internal and external genital tract dependent upon primordial germ cells
	gonadal differentiation determining internal then external tract development
	mesonephric duct forming genital ridge then internal and external tract development
	internal tract determining gonadal then external tract development
	paramesonephric duct forming genital ridge then internal and external tract development

5 The allantois, cloaca, hindgut and yolk sac are all lined with endoderm

	true
	false

6 The cells in the adult male and female gonad forming from equivalent primordial cells in each sex are:

7 Select the correct options below for the process of implantation

	is driven by the trophoblast layer
	occurs following adplantation
	can occur inside and outside the uterine body
	allows endocrine support of the corpus luteum

8 The extraembryonic coelom refers too

	amniotic cavity, yolk sac and chorionic cavity
	pericardial cavity, pleural cavity and peritoneal cavity
	blastocoel, somitocoel and lateral plate coelom
	maternal lacunae, uterine gland lumen, uterine body cavity

9 Which of the following statements is incorrect about the process of gastrulation

	gives rise to the trilaminar embryo
	involves cell migration from the epiblast layer
	extends from the primitive node to the buccopharyngeal membrane
	occurs at the region known as the primitive streak
	generates endoderm and then mesoderm layers

10 What are the two main early embryonic developmental roles of the notochord

	mechanical role in embryonic disc folding and signaling for tissue patterning
	formation of the nucleus pulposis and separating cloacal and buccopharyngeal membranes
	gastrulation and neuralation
	formation of the nucleus pulposis and intervertebral disc