Crossed together (five toes is incompletely dominate) chicks could develop to have an fifth toe on both, or even one foot.
1	Crossed	cross	VERB	VBN	Tense=Past|VerbForm=Part	12	advcl	12:advcl	_
2	together	together	ADV	RB	_	1	advmod	1:advmod	_
3	(	(	PUNCT	-LRB-	_	8	punct	8:punct	SpaceAfter=No
4	five	five	NUM	CD	NumForm=Word|NumType=Card	5	nummod	5:nummod	_
5	toes	toe	NOUN	NNS	Number=Plur	8	nsubj	8:nsubj	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	8:cop	_
7	incompletely	incompletely	ADV	RB	_	8	advmod	8:advmod	_
8	dominate	dominate	ADJ	JJ	Degree=Pos	12	parataxis	12:parataxis	SpaceAfter=No
9	)	)	PUNCT	-RRB-	_	8	punct	8:punct	_
10	chicks	chick	NOUN	NNS	Number=Plur	12	nsubj	12:nsubj	_
11	could	could	AUX	MD	VerbForm=Fin	12	aux	12:aux	_
12	develop	develop	VERB	VB	VerbForm=Inf	0	root	0:root	_
13	to	to	PART	TO	_	14	mark	14:mark	_
14	have	have	VERB	VB	VerbForm=Inf	12	advcl	12:advcl:to	_
15	an	a	DET	DT	Definite=Ind|PronType=Art	17	det	17:det	_
16	fifth	fifth	ADJ	JJ	Degree=Pos|NumType=Ord	17	amod	17:amod	_
17	toe	toe	NOUN	NN	Number=Sing	14	obj	14:obj	_
18	on	on	ADP	IN	_	19	case	19:case	_
19	both	both	DET	DT	_	17	nmod	17:nmod:on	SpaceAfter=No
20	,	,	PUNCT	,	_	24	punct	24:punct	_
21	or	or	CCONJ	CC	_	24	cc	24:cc	_
22	even	even	ADV	RB	_	24	advmod	24:advmod	_
23	one	one	NUM	CD	NumForm=Word|NumType=Card	24	nummod	24:nummod	_
24	foot	foot	NOUN	NN	Number=Sing	19	conj	17:nmod:on|19:conj:or	SpaceAfter=No
25	.	.	PUNCT	.	_	12	punct	12:punct	_
