BIOLOGY: CONCEPTS AND INVESTIGATIONS,
5th Edition
ISBN: 9781266382307
Author: Hoefnagels
Publisher: MCG
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Chapter 39.2, Problem 1MC
Summary Introduction
To explain:
The statement, “If Earth’s axis were not tilted, there will be no seasons.”
Concept introduction:
Earth’s rotational axis is defined as an imaginary straight line that runs through the poles. This axis is tilted at an axis. The angle between object’s axis of rotation and its orbital axis which is perpendicular to the orbital plane.
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The shape of radishes may be long (SL/SL), oval (SL/SS), or round (SS/SS), and the color of radishes may be red (CR/CR), purple (CR/CW) or white (CW/CW). If a long, red radish plant is crossed with a round, white plant, what will be the appearance of the F1 and F2 generations?
None
Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the parental cross.
b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Chapter 39 Solutions
BIOLOGY: CONCEPTS AND INVESTIGATIONS,
Ch. 39.1 - Prob. 1MCCh. 39.1 - What abiotic conditions influence the distribution...Ch. 39.2 - Prob. 1MCCh. 39.2 - Prob. 2MCCh. 39.2 - Prob. 3MCCh. 39.3 - How do climate and soil composition determine the...Ch. 39.3 - Infer one adaptation of plants and one adaptation...Ch. 39.3 - Prob. 3MCCh. 39.4 - Prob. 1MCCh. 39.4 - Prob. 2MC
Ch. 39.4 - Prob. 3MCCh. 39.5 - Prob. 1MCCh. 39.5 - Prob. 2MCCh. 39.5 - Prob. 3MCCh. 39.6 - Prob. 1MCCh. 39.6 - Prob. 2MCCh. 39 - Prob. 1MCQCh. 39 - Prob. 2MCQCh. 39 - Prob. 3MCQCh. 39 - AID: 1825 | 18/04/2018 5. Which of the following...Ch. 39 - A worm 1ha1 lives in lake sediment is in the...Ch. 39 - Prob. 6MCQCh. 39 - Prob. 1WIOCh. 39 - Explain why sunlight is most intense at the...Ch. 39 - Prob. 3WIOCh. 39 - Prob. 4WIOCh. 39 - Prob. 5WIOCh. 39 - Prob. 6WIOCh. 39 - Polar bears live on the ice cap near the North...Ch. 39 - Prob. 8WIOCh. 39 - Use the clues provided to determine which biome...Ch. 39 - Prob. 10WIOCh. 39 - Prob. 11WIOCh. 39 - Prob. 12WIOCh. 39 - Prob. 1PITCh. 39 - Prob. 2PITCh. 39 - What types of terrestrial biomes are likely to...
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