Concept: Sex Determination
Concept: Human Sex Chromosomes
Problem: Which of the follow sex chromosomes can be describes as homogametic?
XX/XY
ZZ/ZW
XX/XO
Problem: In the ZZ/ZW sex determination system, the male is…?
Heterogametic
Homogametic
ZW
XY
Problem: In humans, which region on the Y chromosome determines maleness?
Sperm producing factor (SPF)
Testis determining region (TDR)
Sex Determining Region (SRY)
Barr Body (BB)
Problem: During meiosis the XY sex chromosomes segregate independently. Which of the following represents the gametes chromosomes after meiosis?
Two haploid cells that each contain X or Y
Two diploid cells that both contain an XY
A single diploid cell that contains XY
Four haploid cells – two contain X and two contain Y
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