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Unit 5 Test Review

Name:_________________________________
Across
A sort of family tree that traces patterns of inheritance within a family.
Picture of chromosomes that can be used by geneticists to determine chromosomal abnormalities.
Characteristics of an organism.
This is used to predict the probability of the offspring of given parents.
Passing on of characteristics from parent to offspring.
The allele combination of an organism.
Different forms of a trait.
Genetic material found in the nucleus that carries inherited traits from one generation to the next.
When two alleles for one trait are identical.
Division of the nucleus, making two new body cells.
Down
Having two sets of chromosomes, one from each parent.
The trait that is expressed when two different alleles are present.
Traits that are carried on the X chromosome that are more likely to appear in males than females.
The trait that hides in the background and can only be expressed in homozygous form.
Two alleles/letters for one trait that are different
The study of heredity
Segments of DNA that carry instructions for traits
Meaning, having half of the number of chromosomes, as in sex cells (egg and sperm)