Sex Chromosomes Flashcards
Where are most XX/XY Chromosomes found?
Mammals & Insects
Which individuals possess a female phenotype? (XX/XY)
XX
Which individuals possess a male phenotype? (XX/XY)
XY
What are males who possess only one X chromosome referred to as?
Hemizygous (half)
Which region determines the sex?
Y
Where are most ZZ/ZW chromosomes found?
Birds & some fish
Which individuals possesses the female phenotype? (ZZ/ZW)
ZW
Which individuals possess the male phenotype? (ZZ/ZW)
ZZ
What are females who possess only one Z chromosome referred to?
Hemizygous O
Where are XX/X0 chromosomes found?
Almost all arachnids & insects
Which individuals possess the male phenotype? (XX/X0)
X0
Which individuals possess a female phenotype (XX/X0)
XX
What does the “0” in X0 refer to?
One X chromosome & no other sex chromosomes
Where is Haplodiploidy found?
Bees, ants, wasps, and other insects
Which individuals possess a female phenotype? (Haplodiploidy)
Diploid