def findHomozygotes(diptable={}):
	"""
	Given a summary table of diploids, finds those 
	which are homozygous
	"""
	mydiptable=diptable
	homozygouslist=[]
	mydipkeys=mydiptable.keys()
	for key in mydipkeys:
		if key[0]==key[1]:
			homozygouslist.append(key)

	homozygtable = {}
	for key in homozygouslist:
		homozygtable[key] = mydiptable[key]
	return homozygtable