【已刪除】71. Species of amphibians belonging to the same genus occasionally mate, but their offsprings do not survive. This is an
example of ______
(A) the postzygotic barrier called hybrid.
(B) the prezygotic barrier called hybrid disjunction.
(C) gametic isolation.
(D) the postzygotic barrier called hybrid breakdown.
(E) adaptative inviability.(本題送分)
71. Species of amphibians belonging to the same genus occasionally mate, but their offsprings do not survive. This is an
example of ______
(A) the postzygotic barrier called hybrid.
(B) the prezygotic barrier called hybrid disjunction.
(C) gametic isolation.
(D) the postzygotic barrier called hybrid breakdown.
(E) adaptative inviability.
修改成為
71. Species of amphibians belonging to the same genus occasionally mate, but their offsprings do not survive. This is an
example of ______
(A) the postzygotic barrier called hybrid.
(B) the prezygotic barrier called hybrid disjunction.
(C) gam...
71. Species of amphibians belonging to the same genus occasionally mate, but their offsprings do not survive. This is an
example of ______
(A) the postzygotic barrier called hybrid.
(B) the prezygotic barrier called hybrid disjunction.
(C) gametic isolation.
(D) the postzygotic barrier called hybrid breakdown.
(E) adaptative inviability.
修改成為
71. Species of amphibians belonging to the same genus occasionally mate, but their offsprings do not survive. This is an
example of ______
(A) the postzygotic barrier called hybrid.
(B) the prezygotic barrier called hybrid disjunction.
(C) gametic isolation.
(D) the postzygotic barrier called hybrid breakdown.
(E) adaptative inviability.(本題送分)