THE MONOHYBRID CROSS FOLLOWING THE INHERITANCE OF ONE TRAIT

TODAY’S BIG WORDS MONOHYBRID ALLELE DOMINANT RECESSIVE HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE

CROSSING TWO PLANTS SHORTTALLX ALL TALL PARENTS OFFSPRING

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE DOMINANT RECESSIVE HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE

ADD THE SYMBOLISM SHORTTALLX ALL TALL PARENTS OFFSPRING TTtt Tt

EGGS AND POLLEN??? SHORTTALLX ALL TALL PARENTS OFFSPRING TTtt Tt Tt GAMETES

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT RECESSIVE HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT – Trait that always shows up RECESSIVE HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT – Trait that always shows up RECESSIVE – Trait that can hide HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE

THE PUNNETT SQUARE GAMETES GO HERE

THE PUNNETT SQUARE OFFSPRING GO HERE

THE PUNNETT SQUARE TT tTt t

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT – Trait that always shows up RECESSIVE – Trait that can hide HOMOZYGOUS – Has the same alleles HETEROZYGOUS GENOTYPE PHENOTYPE

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT – Trait that always shows up RECESSIVE – Trait that can hide HOMOZYGOUS – Has the same alleles HETEROZYGOUS – Has different alleles GENOTYPE PHENOTYPE

CROSSING TWO OFFSPRING TALL X ??????? PARENTS OFFSPRING

EGGS AND POLLEN??? TALL X PARENTS Tt Tt GAMETES tT

POTENTIAL FOR DIFFERENT OFFSPRING TALL X PARENTS OFFSPRING Tt Tt GAMETES tT TTTALL

POTENTIAL FOR DIFFERENT OFFSPRING TALL X PARENTS OFFSPRING Tt Tt GAMETES tT TtTALL

POTENTIAL FOR DIFFERENT OFFSPRING TALL X PARENTS OFFSPRING Tt Tt GAMETES tT ttSHORT

THE PUNNETT SQUARE Tt T t

Tt TTTTt t tt

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT – Trait that always shows up RECESSIVE – Trait that can hide HOMOZYGOUS – Has the same alleles HETEROZYGOUS – Has different alleles GENOTYPE – GENE TYPE (the letters) PHENOTYPE

TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT – Trait that always shows up RECESSIVE – Trait that can hide HOMOZYGOUS – Has the same alleles HETEROZYGOUS – Has different alleles GENOTYPE – GENE TYPE (the letters) PHENOTYPE – WHAT IT LOOKS LIKE

PHENOTYPES Tt T TT tall Tt tall t Tt tall tt short

GENOTYPES Tt T TT Homozygous dominant Tt Heterozygous t Tt Heterozygous Tt Homozygous recessive