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15 cards from this deck
Characteristic controlled by gene on one of the sex chromosomes
X chromosome is much larger than Y chromosome
X-linked
XY
XX
Males only have one X chromosome, no allele on Y to mask it
Colour blindness and haemophilia
About 8%
Bleeding disorder from lack of blood clotting proteins
No, they either have the trait or don't
Both alleles expressed, creating intermediate phenotype
Roan coat (intermediate)
Red, roan, white
Pink flowers
1:2:1 (25%:50%:25%)
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