3 copies of chromo 21, downs syndrome

easy/quick to grow, self pollinating distinct traits

u know what goes in and what comes out, figure out whats happening in middle

2 alleles separate in meiosis and end up in different gametes

one mutation affects multiple traits

% of people who carry a trait that actually express it

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cellbio 3 2

Question	Answer
monosomy	missing a chromosome
trisomy	extra chromosome
turner's	X (no Y)
klinefelter's	XXY
jacob's	XYY
trisomy 21	3 copies of chromo 21, downs syndrome
pea plant	easy/quick to grow, self pollinating distinct traits
black box experiment	u know what goes in and what comes out, figure out whats happening in middle
P1	parent gen
F1	offspring of P1
F2	offspring of F1
law of segregation	2 alleles separate in meiosis and end up in different gametes
pleiotropy	one mutation affects multiple traits
penetrance	% of people who carry a trait that actually express it