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Probability is usually written as
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
Since men have only one X chromosome, they are more likely to have
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
To trace a trait through generations of a family, you can use
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
Chromosomes get ready for a cell to split by
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
Males have one X and one Y chromosome and females have two
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
The chance that something will happen is
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
One trait can sometimes be decided by two or more
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
If one of every four offspring is white, the probability of an offspring being white is
X chromosomes
lining up at the center of a cell
25%
probability
a fraction or percent
a pedigree
color blindness
genes
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