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7th Grade - Chapter 11: Heredity

Teacher: Mrs. Morey
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Across
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Describes an organism with two alleles that are the same for a trait
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Outward physical appearance and behavior of an organism as a result of its genotype
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Biological and chemical methods to change the arrangement of a gene's DNA
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The genetic makeup of an organism
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Occurs when a group of gene pairs act together and produces a specific trait, such as human eye color, skin color or height
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An alternate form that a gene may have for a single trait, can be dominant or recessive
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An allele inherited on the sex chromosome and that can cause genetic disorders such as color blindness and hemophilia
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The study of how traits are inherited through the actions of the alleles
Down
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Describes an organism with two different alleles for a trait
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Production of a phenotype that is intermediate between two homozygous parents
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Describes a trait that covers over, or dominates, another form of that trait
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A tool to predict the probability of certain traits in offspring that shows the different ways alleles can combine
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The passing of traits from parent to offspring
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An offspring that was given different genetic information for a trait from each parent
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Describes a trait that is covered over, or dominated, by another form of that trait and seems to disappear