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Which of the following is the correct sequence during alternation of generations in a flowering plant?
All of the following floral parts are directly involved in pollination or fertilization except the
A mutation in which of the following floral parts would have the greatest impact on pollination?
A mutation in which of the following floral parts would have the greatest potential impact on fertilization?
Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?
A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower?
It has both stamens and carpels.
Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces?
meiosis-pollination-nuclear fusion-formation of embryo and endosperm
Which of the following is the correct sequence of events in a pollen sac?
microsporocyte-meiosis-microspores-mitosis-two haploid cells per pollen grain
Within the female gametophyte, three mitotic divisions of the megaspore produce
three antipodal cells, two polar nuclei, one egg, and two synergids.
In modern agriculture, what does "terminator technology" refer to?
introduction of genes into a plant that prevent its seeds from maturing
What is the relationship between pollination and fertilization in flowering plants?
Pollination brings gametophytes together so that fertilization can occur.
Recent research has shown that pollination requires that carpels recognize pollen grains as "self or nonself." For self-incompatibility, the system requires
the rejection of self cells.
In plants, which of the following could be an advantage of sexual reproduction as opposed to asexual reproduction?
Which of the following is a true statement about clonal reproduction in plants?
Making cuttings of ornamental plants is a form of fragmentation.
What is typically the result of double fertilization in angiosperms?
Both a diploid embryo and triploid endosperm are formed.
Which of the following statements regarding the endosperm is false?
It develops from the fertilized egg
Which of the following statements is correct about the basal cell in a zygote?
It forms the suspensor that anchors the embryo.
Regardless of where in the world a vineyard is located, in order for the winery to produce a Burgundy, it must use varietal grapes that originated in Burgundy, France. The most effective way for a new California grower to plant a vineyard to produce Burgundy is to
graft varietal Burgundy grape scions onto native (Californian) root stocks.
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