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According to the data from fruitflies, this gene Females, reared at 29°C: Homozygous methuselah mutants →Homozgyous normal flies 100 Survivorship (%) 80- 60- 40- 20- 0- 10 20 30 40 50 60 Age (days) Figure 13-14 Evolutionary Analysis, 4/ ©2007 Pearson Prentice Hall, Inc. Cumulative fertility (Adult progeny per female) 80- 70- 60- 50- 40- 30- 20- 10- 0- 0 10 20 30 40 50 Age (days) lengthens lifespan but also reduces fertility shortens lifespan but also increases fertility reduces both lifespan and fertility cannot be determined from the data provided lengthens both lifespan and fertility

According to the data from fruitflies, this gene Females, reared at 29°C: Homozygous methuselah mutants →Homozgyous normal flies 100 Survivorship (%) 80- 60- 40- 20- 0- 10 20 30 40 50 60 Age (days) Figure 13-14 Evolutionary Analysis, 4/ ©2007 Pearson Prentice Hall, Inc. Cumulative fertility (Adult progeny per female) 80- 70- 60- 50- 40- 30- 20- 10- 0- 0 10 20 30 40 50 Age (days) lengthens lifespan but also reduces fertility shortens lifespan but also increases fertility reduces both lifespan and fertility cannot be determined from the data provided lengthens both lifespan and fertility

Human Anatomy & Physiology (11th Edition)
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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**Transcription:** According to the data from fruit flies, this gene - [Selected] lengthens lifespan but also reduces fertility - shortens lifespan but also increases fertility - reduces both lifespan and fertility - cannot be determined from the data provided - lengthens both lifespan and fertility **Graphs Explanation:** The image contains two graphs that compare the effects of the methuselah gene on fruit flies, specifically regarding lifespan and fertility. 1. **Survivorship (%):** - The first graph shows survivorship over time (in days) for two groups of female fruit flies reared at 29°C. - The pink line represents homozygous methuselah mutants, while the blue line represents homozygous normal flies. - Methuselah mutants (pink) have a longer lifespan, as seen by a slower decline in survivorship compared to normal flies. 2. **Cumulative Fertility (Adult progeny per female):** - The second graph tracks cumulative fertility over time. - Again, pink denotes methuselah mutants and blue denotes normal flies. - The methuselah mutants show reduced fertility, indicated by a lower number of progeny over the same period when compared to normal flies. These graphs support the conclusion that the methuselah gene lengthens lifespan but also reduces fertility in fruit flies.
Transcribed Image Text:**Transcription:** According to the data from fruit flies, this gene - [Selected] lengthens lifespan but also reduces fertility - shortens lifespan but also increases fertility - reduces both lifespan and fertility - cannot be determined from the data provided - lengthens both lifespan and fertility **Graphs Explanation:** The image contains two graphs that compare the effects of the methuselah gene on fruit flies, specifically regarding lifespan and fertility. 1. **Survivorship (%):** - The first graph shows survivorship over time (in days) for two groups of female fruit flies reared at 29°C. - The pink line represents homozygous methuselah mutants, while the blue line represents homozygous normal flies. - Methuselah mutants (pink) have a longer lifespan, as seen by a slower decline in survivorship compared to normal flies. 2. **Cumulative Fertility (Adult progeny per female):** - The second graph tracks cumulative fertility over time. - Again, pink denotes methuselah mutants and blue denotes normal flies. - The methuselah mutants show reduced fertility, indicated by a lower number of progeny over the same period when compared to normal flies. These graphs support the conclusion that the methuselah gene lengthens lifespan but also reduces fertility in fruit flies.
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