HOLES HUMAN A&P TEXT W CAT LAB BNDL
15th Edition
ISBN: 9781260513882
Author: SHIER
Publisher: MCG/CREATE
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Chapter 23, Problem 3P
Summary Introduction
To describe:
The events of fertilization.
Introduction:
After sexual intercourse (before fertilization), the sperms enters into the vagina of the female body. It follows the secondary oocyte through the uterus and uterine tube that is female reproductive tract and penetrates the wall of the ovum.
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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…
Question #5:
Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The
genes show independent assortment. Recessive alleles at both loci are required for the facultative
apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C.
At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype.
A facultative apomict male, capable of producing viable pollen, was crossed with a sexually
reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic
ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following
temperatures*:
a) 15°C?
b) 25°C?
*for full credit, show crosses and genotypes where appropriate. Remember to position the
female first (left side) in the cross.
Type your answer here:
Chapter 23 Solutions
HOLES HUMAN A&P TEXT W CAT LAB BNDL
Ch. 23 - Prob. 1PCh. 23 - What factors aid the movements of the secondary...Ch. 23 - Prob. 3PCh. 23 - Prob. 4PCh. 23 - Prob. 5PCh. 23 - Prob. 6PCh. 23 - Prob. 7PCh. 23 - Prob. 8PCh. 23 - Prob. 9PCh. 23 - Prob. 10P
Ch. 23 - Prob. 11PCh. 23 - Prob. 12PCh. 23 - Prob. 13PCh. 23 - Prob. 14PCh. 23 - Prob. 15PCh. 23 - Prob. 16PCh. 23 - Prob. 17PCh. 23 - Prob. 18PCh. 23 - Prob. 19PCh. 23 - Prob. 20PCh. 23 - Prob. 21PCh. 23 - Prob. 22PCh. 23 - Prob. 23PCh. 23 - Prob. 24PCh. 23 - Prob. 25PCh. 23 - Prob. 26PCh. 23 - Prob. 27PCh. 23 - Prob. 28PCh. 23 - Prob. 29PCh. 23 - Prob. 30PCh. 23 - What does a newborn use for energy during its...Ch. 23 - Prob. 32PCh. 23 - Prob. 33PCh. 23 - Prob. 34PCh. 23 - Prob. 35PCh. 23 - Prob. 36PCh. 23 - Prob. 37PCh. 23 - Prob. 38PCh. 23 - Prob. 39PCh. 23 - Prob. 40PCh. 23 - Prob. 41PCh. 23 - How is aging a passive process?Ch. 23 - Prob. 43PCh. 23 - Prob. 44PCh. 23 - Prob. 1CACh. 23 - Prob. 2CACh. 23 - Prob. 3CACh. 23 - Describe the process of cleavage. (pp. 870-871)Ch. 23 - Prob. 5CACh. 23 - Prob. 6CACh. 23 - Prob. 7CACh. 23 - Prob. 8CACh. 23 - Prob. 9CACh. 23 -
10 Explain the function of the amniotic fluid....Ch. 23 - Prob. 11CACh. 23 - Prob. 12CACh. 23 - Prob. 13CACh. 23 - Prob. 14CACh. 23 - Prob. 15CACh. 23 - Prob. 16CACh. 23 - Prob. 17CACh. 23 - Prob. 18CACh. 23 - Prob. 19CACh. 23 - Explain how the fetal cardiovascular system is...Ch. 23 - Prob. 21CACh. 23 - Prob. 22CACh. 23 - Prob. 23CACh. 23 - Prob. 24CACh. 23 - Prob. 25CACh. 23 - Prob. 26CACh. 23 - Explain positive feedback and the role of hormones...Ch. 23 - Prob. 28CACh. 23 - Prob. 29CACh. 23 - Prob. 30CACh. 23 - Prob. 31CACh. 23 - Prob. 32CACh. 23 - Prob. 33CACh. 23 - Prob. 34CACh. 23 - Prob. 35CACh. 23 - Prob. 36CACh. 23 - Prob. 37CACh. 23 - Prob. 38CACh. 23 - Prob. 39CACh. 23 - Prob. 40CACh. 23 - Prob. 41CACh. 23 - Prob. 42CACh. 23 - Prob. 1IACh. 23 - Prob. 2IACh. 23 - Prob. 3IACh. 23 - Prob. 4IACh. 23 -
5. Why do toxins cause more severe medical...Ch. 23 - What technology would enable a fetus born in the...
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