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Genetics and Heredity

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Across
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The region of DNA coded for specific jobs
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The types of organism where the ancestors had uniform DNA
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The specific set of genes present in an organism
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Physical characteristics or traits of an individual organism.
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The likelihood that a particular event will happen
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Across that examines the inheritance of two different traits
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Medel's 2nd law of genetics that says that organisms inherit 2 copies of each gene then donate one copy to their gametes
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A chromosome that directly controls the development of sex characteristics
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The exchange of chromosome segments during Prophase I of Meiosis I
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The study of heredity patterns the variation of organisms
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A cross between an organism with an unknown genotype and an organism with a recessive phenotype
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A cell that has two copies of each chromosome, one from the egg and one from the sperm
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A cell that only has 1 copy of each chromosome
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A pair of alleles which are different from each other
Down
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The fusion of an egg and sperm cell
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The female gamete
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The male and female sex cells
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A grid system for predicting all possible genotypes resulting from a cross
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The allele that is expressed when two different alleles are present
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A cross that examines the inheritance of only one specific trait
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Alleles for a trait are identical to each other
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The male gamete
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The allele that is expressed only when both copies are present
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Characteristics that are inherited