Biology
Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Concept explainers

Life Cycle Of Bryophytes
A group of plant species that utilize spores, instead of flowers or seeds, for reproduction is known as a bryophyte. The non-vascular seedless plants which include mosses, liverworts, and hornworts are classified as bryophytes. There are over 20,000 spec…
Plant Biometry
Biometry is the science that deals with the statistical investigation of biological observations and phenomena. It is very important in the development of sound and effective agricultural research practices. It is a Greek-derived word wherein 'bio' means…
Life Cycle Of Gymnosperms
Gymnosperms, which translates to "naked seeds," are a diverse group of seed plants. The angiosperms are a sister group to one group of gymnosperms (the Gnetales), making the gymnosperms a paraphyletic group, according to the "anthophyte" hypothesis. The …
Life Cycle Of Pteridophytes
They are the first land plants with vascular tissues (xylem and phloem). These vascular plants are classified as vascular cryptogams because they do not contain flowers or seeds. These plants are the most common and visible group of land plants, accounti…
Life Cycle Of Angiosperms
An angiosperm is a word obtained from the two Greek words angio, which refers to "covered," and sperms, which means "bean". Flowering plants are what the angiosperms are called. The flowers of a plant develop into fruits, which contain seeds.
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Chapter 27.2, Problem 2CYP

Explain why the seed coat and the embryo are both 2n.

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A pollen of maize with nuclei labeled P, Q and R fertilized an embryo sac with nuclei labeled S, T, U, V, W, X, Y and Z as shown here. R V Y Synergids U W P Tube nucleus Antipodals Which of the following combinations could be found in the embryo? i) PQR, ii) QRY, iii) VWQ, iv) RY Which of the above combinations could be found in the aleurone layer of the seed? Which of the above combinations could be found in the germinating pollen tube?
in a kernel, is it possible to separate the seed from the fruit?

Chapter 27 Solutions

Biology

Ch. 27.1 - Prob. 1CYPCh. 27.1 - Prob. 2CYPCh. 27.1 - Prob. 3CYPCh. 27.2 - Identify the origin of each of the three parts of...Ch. 27.2 - Explain why the seed coat and the embryo are both...Ch. 27.2 - Prob. 3CYPCh. 27.3 - Prob. 1CYPCh. 27.3 - Prob. 2CYPCh. 27.4 - Prob. 1CYPCh. 27.4 - Prob. 2CYP
Ch. 27.4 - Prob. 3CYPCh. 27 - Prob. 1E.1QCCh. 27 - Prob. 1E.2QCCh. 27 - Prob. 1ACh. 27 - Prob. 2ACh. 27 - Prob. 3ACh. 27 - Prob. 4ACh. 27 - Prob. 5ACh. 27 - Prob. 6ACh. 27 - Prob. 7ACh. 27 - Prob. 8ACh. 27 - Prob. 9ACh. 27 - Prob. 10ACh. 27 - Prob. 11ACh. 27 - Prob. 12ACh. 27 - Prob. 13ACh. 27 - Prob. 14ACh. 27 - Prob. 1TSCh. 27 - Prob. 2TSCh. 27 - In most parts of the world, commercial potato...
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