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Heredity - 7th grade

NAME ______________________________
HOUR _________
Across
A trait expressed with only one gene
The number of chromosome pairs a human has
A grid used to calculate the chances of certain traits appearing in offspring
The passing of traits from one generation to the next
The outward expression of the genotype
30,000 is the number of ___ in the human genome.
A parent with either two dominant or two recessive genes for a trait
The variations of a trait
Down
Liberty's mascot
The genetic make-up of an organism
A parent with both a dominant gene and a recessive gene for a trait
A much anticipated break
A trait requiring two genes before it can be expressed
What a dominant gene does to a recessive gene