Answered: The production of which structure in a…

The production of which structure in a flowering plant involves genetic recombination? A. haploid gametes B. haploid spores C. diploid gametes D. diploid spores

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter27: Reproduction And Development Of Flowering Plants

Section: Chapter Questions

Problem 9SA

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Question

The production of which structure in a flowering plant involves genetic recombination?

A. haploid gametes

B. haploid spores

C. diploid gametes

D. diploid spores

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In plant life cycles, (a) the first products of meiosis are gametes (b) spores are part of the diploid sporophyte generation (c) the embryo gives rise to a zygote (d) the first stage in the diploid sporophyte generation is the zygote (e) the first stage in the haploid gametophyte generation is the prothallus
Which type of life cycle has both a haploid and diploid multicellular stage? a. an asexual life cycle b. diploid-dominant c. haploid-dominant d. alternation of generations
Figure 14.19 At what stage does the diploid zygote form? a. When the female cone begins to bud from the tree b. When the sperm nucleus and the egg nucleus fuse c. When the seeds drop from the tree d. When the pollen tube begins to grow
Meiosis produces daughter cells. a. two haploid b. two diploid c. four haploid d. four diploid
In flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microspores
In the following diagram, designate each daughter cell as diploid (2n) or haploid (n).
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Which event leads to a diploid cell in a life cycle? a. meiosis b. fertilization c. alternation of generations d. mutation
Explain the sequence of events in a flowering plant that begins with formation of a pollen tube and culminates with the formation of a diploid zygote and the 3n cell that will give rise to endosperm in a seed.