Question

Xenia and metaxenia effects are shown by

• A. Gymnosperms
• B. Angiosperms
• C. Bryophytes and pteridophytes
• D. All of the above

Answer 1

Answer: (B)

Angiosperms

Xenia and metaxenia are phenomena dealing with the effects, that pollen from different sources have on certain characteristics exhibited by seeds and fruits in a variety of species. Xenia is the effect of genes from the male parent on the development of fruit or seeds in angiosperms.

Metaxenia is the effect of pollen on fruit shape and other fruit characteristics. It is able to identify the best pollenizer parents to decrease fruit development period and increase yield in mixed cultivar plantings in angiosperms. Thus, the correct answer is option B.