Statistics for Embryology - Limb Developement

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Hint	Answer	% Correct
How many weeks into embryological developement do the limb buds arise?	4	67%
Achondroplasia is a disease caused by mutation in the FGF3 receptor, but what is another more colloquial term for it?	Dwarfism	67%
Polydactyly is the presence of additional digits and is one of the most common congenital disorders of the upper limb, what is its prevalence? Write in form 1 in 3000 etc.	1 in 500 to 1000	33%
By what weel in developement will this start?	6	33%
By what week have digits in a healthy individual seperated?	8	33%
The process of cartillage turning into bones is referred to as?	Endochondrial Ossification	33%
What type of cells do osteoprogenitor cells differentiate to become?	Osteoblasts	33%
What paterning is the Apical Ectodermal ridge involved in?	Proximal-distal	33%
What hormone is responsible for cranial caudal pattterning of the hand?	Sonic Hedgehog	33%
What drug is known to have caused phocomelia?	Thalidomide	33%
What chemical does it emit to enable this?	FGF8	0%
The upper limb bud is the first to arise, but where does it derive from?	Lateral Plate Mesoderm	0%
What does the center of the limb bud consist of?	Mesenchyme	0%
Cleidocranial dysplasia is a condition where patients have underdeveloped/no clavicles, what gene is typically associated with it.	Runx2	0%
What specific gene/transcription factor denotes where the limb buds form?	Tbx5	0%
The area that produces this hormone is referred to as?	Zone of Polarizing Activity	0%