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Genetics

Across
a haploid reproductive cell or sex cell
having two identical alleles for a given gene on the homologous chromosomes
having two different alleles for a given gene on the homologous chromosomes
describes a trait that masks the expression of another trait when both versions of the gene are present in an individual
the underlying genetic makeup consisting of both physically visible and non-expressed alleles of an organism
one of two or more variants of a gene that determines a particular trait for a characteristic
describes a trait whose expression is masked by another trait when the alleles for both traits are present in an individual
Down
the entire genetic complement (DNA) of an organism
describes a cell nucleus or organism containing one set of chromosomes
describes a cell nucleus or organism containing two sets of chromosomes
in a heterozygote complete and simultaneous expression of both alleles for the same characteristic
the observable traits expressed by an organism
the physical and functional unit of heredity; a sequence of DNA that codes for a specific peptide or RNA molecule