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K  V         T






           allele                                                  genetics             Pgeneration

           different                                               the study of                short     tall
           forms of             A B c D    e  F G h i    J         heredity
                       alleles
           a gene      alleles                                                          F1
                                 a b C d   E  f  g H I   j                                      tall     tall
                                                                                             25%               75%
                                                                                             short             tall
                                                                                        F2


                                                                                         alleles
           chromosome                                              genotype             ab   AB  gene

           the two daughter                                        the genetic          Cd   cD
           strands of a replicated                                 makeup of
           chromatin that are                                      a particular         Ef   eF
           condensed into a rod                                    organism                  G
           shape                                                                        gH   h
                                                                                             i
                                                                                        I
                                                                                                 genotype  Bb
                                                                                        j
                                                                                             J
           DNA                                                     heredity
                                            nucleus                                               eyebrow
           deoxyribonucleic                                        the passing                     shape    hair color
           acid; genetic                     DNA                   of traits or                                ear
           material within                                         characteristics                             lobe
           the nucleus                                             from one
                                                                   generation to
                                                                   the next




           dominant allele                                         heterozygous         eyebrow shape

           an allele that                                          an organism that
           will always be                                          has two different
           expressed as     tall                       tall        alleles for a
           a trait                                                 particular trait






                                                 gene
           gene                             T  T  A  G  C  A       homozygous          eyebrow shape

                                            A   C  G    T
           the sequence                      A  G     G            an organism that
           of DNA that                         T   C  C            has two of the
           codes for a                                             same alleles for a
           specific trait                              protein     particular trait



                                                trait
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