P generation Male Female XY XX Meiosis Gametes X Y Fertilization F, generation X Sperm Y XX XY Female Male Eggs XX XY Female Male Conclusion: 1:1 sex ratio is produced.

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter20: The Reproductive System
Section20.2: Male Reproductive Physiology
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If nondisjunction of the sex chromosomes takes place in meiosis I in the male in Figure , what sexual phenotypes and proportions of offspring will be produced?

P generation
Male
Female
XY
XX
Meiosis
Gametes X Y
Fertilization
F, generation
X Sperm Y
XX
XY
Female
Male
Eggs
XX
XY
Female
Male
Conclusion: 1:1 sex ratio is produced.
Transcribed Image Text:P generation Male Female XY XX Meiosis Gametes X Y Fertilization F, generation X Sperm Y XX XY Female Male Eggs XX XY Female Male Conclusion: 1:1 sex ratio is produced.
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