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7.1 Animal Science Vocab B

A kind of gene action where one allele does not exhibit complete dominance over the other.
Possessing identical genes with respect to any given pair or series of alleles.
A model used to establish the probabilities of the results of a genetic cross.
A fertilized ovum or egg, it is the diploid cell formed from the union of the sperm with an ovum.
A cross between individuals that involves the pairing of contrasting traits.
A kind of inheritance where a gene does not completely cover up or modify the expression of its allele.
Formation and development of sperm by meiosis.
The reproductive body produced by a female organism: in animals, the ovum; in plants, the germ cell, which after fertilization, develops into the embryo.
A gene that prevents its allele from having a phenotypic effect.
In genetics, a gene or trait that is masked by a dominant gene.
The union of a sperm and egg.
A cross between individuals that involves one pair of contrasting traits.
Having two different genes at the same locus on a pair of homologous chromosomes.
The pollinating or breeding of plants or animals that belong to different species, races, breeds, varieties, etc.
A “sex-cell,” capable of uniting with another gamete to produce a cell (e.g., fertilized egg, or zygote) that in turn is capable of developing into a new individual.
Formation, development, and maturation of an ovum.
The transmission of genetic factors from parent to offspring.
Characters developed from genes located on sex chromosomes. The character may be used to determine the sex of an animal; e.g., barring of Barred Plymouth Rock chickens.
The female sex cell, produced on the ovary, and carrying half of the genes carried by the female in which it was produced.