what is difference among case I, case II, and caseIII??  b) In case I, since % of female are very high in cold temp, does it means male offspring will not be produced ? c) Base on the graph of case II, and case III, what conclusion can we make ???

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a) what is difference among case I, case II, and caseIII?? 

b) In case I, since % of female are very high in cold temp, does it means male offspring will not be produced ?

c) Base on the graph of case II, and case III, what conclusion can we make ???

Environmental Sex Determination - temperature
Case I
Case II
Case III
100
100
100
50
50
50
FT
Tp
Temperature
MT
FT T,
T, FT
Temperature -
FT
MT
Tp
Temperature -
MT
FIGURE 5-10
Three different patterns of temperature-dependent sex determination (TSD) in reptiles, as described in the text. The
relative pivotal temperature T, is crucial to sex determination during a critical point during embryonic development. FT Female-
determining temperature; MT = male-determining temperature
From Klug, W.S., M.R. Cummings, C.A. Spencer, and M.A. Palladino. 2012. Essentials of Genetics 8th Edition. San Francisco, CA.:
Pearson Education, Inc.
Transcribed Image Text:Environmental Sex Determination - temperature Case I Case II Case III 100 100 100 50 50 50 FT Tp Temperature MT FT T, T, FT Temperature - FT MT Tp Temperature - MT FIGURE 5-10 Three different patterns of temperature-dependent sex determination (TSD) in reptiles, as described in the text. The relative pivotal temperature T, is crucial to sex determination during a critical point during embryonic development. FT Female- determining temperature; MT = male-determining temperature From Klug, W.S., M.R. Cummings, C.A. Spencer, and M.A. Palladino. 2012. Essentials of Genetics 8th Edition. San Francisco, CA.: Pearson Education, Inc.
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