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Unit 5: Mendelian Genetics Review

Across
The genetic constitution of an individual organism
The physical expression, or characteristics, of a trait.
Inheritance type where both phenotypes are shown together such as spotted or striped.
A type of inheritance that causes a blending or mix of both alleles
A diagram that shows the occurrence and appearance or phenotypes of a particular gene or organism and its ancestors from one generation to the next
An allele or a gene that is expressed in an organism's phenotype, masking the effect of the recessive allele or gene when present.
Alternative expression of a trait.
A type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes
Offspring of parents that differ in genetically determined traits.
The trait may be expressed when two of the same genes are present. Having dissimilar (different) pairs of genes for any hereditary characteristic
Down
Organism with identical alleles/genes for a trait.
A structure in all living cells that consists of a single molecule of DNA bonded to various proteins and that carries the genes determining heredity.
Inheritance type with dominant and recessive alleles. The recessive will only appear physically if two alleles are shown.
An allele when one in which the effect is not tangible, or is masked by the effects of the dominant gene.
The number and visual appearance of the chromosomes in the cell nuclei of an organism
A square diagram that is used to predict the genotypes of a particular cross or breeding experiment
A section of DNA that codes for a particular trait.
Having identical pairs of genes for any given pair of hereditary characteristics.
A basic principle of genetics and explains how characteristics are passed from one generation to the next
Monk famous for his work with pea plants.