Question 7 0 S out of 1 points Triticale (a hybrid formed by crossing wheat and

Question

Question 7 0 S out of 1 points Triticale (a hybrid formed by crossing wheat and rye) is an) [x]-polyploid. If wheat and rye grew together in the wild and the cross naturally occurred, it could be considered an example of [yl-patric speciation. Selected Triticale (a hybrid formed by crossing wheat and rye) is afn) auto-polyploid. If wheat and rye grew together in the wild and the cross naturally Answer: occurred, it could be considered an example of sym-patric speciation Answers: auto allo sym st. Question & 0 out of 1 points Populations separated by a temporal reproductive barrier will not reproduce with each other because... Selected Answer: their reproductive structures do not fit together they reproduce in different places their reproductive structures do not fit together they do not display the correct behavior. they reproduce at different times Answers: Monday, January 22, 2018 5:04:13 PM EST

Explanation / Answer

Triticale is an allopolyploid. If wheat and rye grew together in the wild and the cross naturally occurred, it could be considered an example of sympatric speciation.

Triticale is an Allotetraploid - Allopolyploids are polyploids with chromosomes derived from different species. Sympatric speciation has no geographic constraint to interbreeding such as given it the example. Autopolyploidy refers to the occurrence in which the number of chromosomes double in the offspring due to total non-disjunction during meiosis.

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