Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Perithecium Picture #2 - this picture has definitely been touched up to make it much easier to analyze.
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Perithecium Picture #1 - this picture is more like what you would have seen in lab where many of the asci are hard to analyze.
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![Below are two pictures of perithecium on microscope slides that have been squished under cover slips so that the asci inside have spread
out. In the asci, we can clearly see the tan ascospores (light colored) and wildtype ascospores (dark colored). We will perform our tetrad
analysis by counting how many of the asci are non-recombinant and how many of the acsi are recombinant. We can tell which are
recombinant and non-recombinant by observing the patterns of the ascospores in the asci. See the patterns of ascospores for non-
recombinant and recombinant asci in the table below.
Ascospore pattern of
non-recombinant asci
OOOO
OOOOO
You will count the total number of non-recombinant and recombinant asci in the two pictures below. You will only count the asci that
have a star next to them because these asci can be clearly identified as non-recombinant or recombinant. Select the correct number
below after you are done.
Total number of non-recombinant asci [Select]
Ascospore pattern of
recombinant asci
OO
OOO
0000000
OOOOOOO
OOOO
Total number of recombinant asci [Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F109f568c-22c9-40ac-a90e-187eace432a7%2Ff99a313a-06f4-4448-afb3-c47f434d3e1a%2Fahcj8c2_processed.png&w=3840&q=75)
Transcribed Image Text:Below are two pictures of perithecium on microscope slides that have been squished under cover slips so that the asci inside have spread
out. In the asci, we can clearly see the tan ascospores (light colored) and wildtype ascospores (dark colored). We will perform our tetrad
analysis by counting how many of the asci are non-recombinant and how many of the acsi are recombinant. We can tell which are
recombinant and non-recombinant by observing the patterns of the ascospores in the asci. See the patterns of ascospores for non-
recombinant and recombinant asci in the table below.
Ascospore pattern of
non-recombinant asci
OOOO
OOOOO
You will count the total number of non-recombinant and recombinant asci in the two pictures below. You will only count the asci that
have a star next to them because these asci can be clearly identified as non-recombinant or recombinant. Select the correct number
below after you are done.
Total number of non-recombinant asci [Select]
Ascospore pattern of
recombinant asci
OO
OOO
0000000
OOOOOOO
OOOO
Total number of recombinant asci [Select]
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