Which of the follow breeding system(s) guarantee no intra-floral selfing. (select all that apply) O Dioecy Monoecy Gynodioecy Andromonoecy Androdioecy
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- In wild columbine, flower morphology encourages crosspollination. However, during the middle of the receptive period of the stigma, self-pollination can occur if the flower was not previously pollinated. If cross-pollination occurs after selfpollination, then that pollen reaches the base of the style before the self-pollen. Discuss the adaptive significance of this reproduction strategy.In three sentences or less answer the following. Some angiosperms have separate male and female sporophytes i.e. a plant in the diploid phase can only produce male flowers, or female flowers, not both. Provide one selective advantage and one selective disadvantage for plants that exhibit this strategy.In a short essay(100–150 words), discuss how a flower’s ability to reproducewith other flowers of the same species is an emergent propertyarising from floral parts and their organization.
- Conifers have pollination and fertilization are separated by as much as a year’s time in these popular Christmas plants. true or falseWhich of the following would not be found in the shoot system of aplant?a. stemb. leavesc. rootsd. All of these are correct.A. Draw CABALLERO FLOWER according to its sexuality B. Identify whether it is pistillate, staminate, dioecious and monoecious flowers.
- Based on this Punnett square assume that half of the plant's sperms and eggs are p and half are P, one can predict that the chance p meeting P at fertilizating is ___. A. 1/2 x 1/4 B. 75% C. 50% D. 25% E. 100%Heterozyus for flower position and stemlength AaTt are allowed to self pollinate. 400 of the resulting seeds are planted. Draw a punnett square for this How many offsprin would be predicted to have terminal flowers and be dwarfWhich of the following phrases best explains how differing maturity levels of the pistil and stamen are beneficial for some flowers ? ANSWER CHOICES ARE IN THE PHOTO. thanks
- Which of the following phrases best explains how differing maturity levels of the pistil and stamen are beneficial for some flowersUsing the illustration and the assumption that half of a plant's sperm and eggs are p and half are P, one can predict that the chance of sperm p meeting egg P at fertilization is ____. 25% 75% 1/2 x 1/4 50% 100%These are the characteristics of high quality seeds EXCEPT: Have fewer weed seeds Free from visible seed-borne diseases Full and uniform in size At least 70 % germination rate