Bio chapter 8 Crossword
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
 
 
Down: 1) -a gene present on the X chromosome, but not the Y chromosome 2) having two identical alleles for a given gene on the homologous chromosomes 3) the underlying genetic makeup, consisting of both physically visible and non-expressed alleles, of an organism 4) in a heterozygote, complete and simultaneous expression of both alleles for the same characteristic 5) describes a trait that masks the expression of another trait when both versions of the gene are present in an individual 6) describes a trait whose expression is masked by another trait when the alleles for both traits are present in an individual 7) a visual representation of a cross between two individuals in which the gametes of each individual are denoted along the top and side of a grid, respectively, and the possible zygotic genotypes are recombined at each box in the grid 9) having two different alleles for a given gene on the homologous chromosomes Across: 8) the observable traits expressed by an organism10) in a heterozygote, expression of two contrasting alleles such that the individual displays an intermediate phenotype 11) -one of two or more variants of a gene that determines a particular trait for a characteristic 12) the result of a cross between two true-breeding parents that express different traits for only one characteristic 13) a cross between a dominant expressing individual with an unknown genotype and a homozygous recessive individual; the offspring phenotypes indicate whether the unknown parent is heterozygous or homozygous for the dominant trait
 

 

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