( and ( it ( ( has ( been ( suggested ( that ( ( competition ( between ( ( ( ( selfed and ) outcrossed ) embryos ) ( in ( the ( same seed ) ) ) ) ) ) ( can ( ( eliminate ( inbred embryos ) ) ( without ( affecting ( ( overall levels ) ( of ( seed set ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (CC and) (NP (PRP it)) (VP (VBZ has) (VP (VBN been) (VP (VBN suggested) (SBAR (IN that) (S (NP (NP (NN competition)) (PP (IN between) (NP (NP (ADJP (JJ selfed) (CC and) (JJ outcrossed)) (NNS embryos)) (PP (IN in) (NP (DT the) (JJ same) (NN seed)))))) (VP (MD can) (VP (VB eliminate) (NP (JJ inbred) (NNS embryos)) (PP (IN without) (S (VP (VBG affecting) (NP (NP (JJ overall) (NNS levels)) (PP (IN of) (NP (NN seed) (NN set)))))))))))))) (. .)))
and it has been suggested that competition between selfed and outcrossed embryos in the same seed can eliminate inbred embryos without affecting overall levels of seed set.
(ROOT (S (NP (NP (QP (DT Half))) (PP (IN of) (NP (NP (DT the) (NNS neurons)) (VP (VBN formed) (PP (IN in) (NP (DT the) (NN embryo))))))) (VP (VBP are) (VP (VBN eliminated) (PP (RB because) (IN of) (NP (NN competition)))))))