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AP Biology Review Ch. 1-9
4 cards·by usethistostudytoo
Describe the difference between monohybrid and dihybrid crosses?
Monohybrid: One trait is involved in the cross; Dihybrid: Two traits are involved (eye color
and hair color)
What is the difference between a sex-linked and autosomal cross?
Sex-linked: The gene is on the sex chromosome
How do you calculate the expected value?
Multiple the fraction expected by the total observed (3/4 of 44=33 offspring)
In chi-square, what are the degrees of freedom?
The number of classes of offspring in a cross subtract one. (i.e. in a monohybrid cross, there
are 2 classes (red eyes and sepia eyes), ther