Download presentation
Presentation is loading. Please wait.
Published byNorah Ross Modified over 9 years ago
1
THE MONOHYBRID CROSS FOLLOWING THE INHERITANCE OF ONE TRAIT
2
TODAY’S BIG WORDS MONOHYBRID ALLELE DOMINANT RECESSIVE HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE
3
CROSSING TWO PLANTS SHORTTALLX ALL TALL PARENTS OFFSPRING
4
TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE DOMINANT RECESSIVE HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE
5
ADD THE SYMBOLISM SHORTTALLX ALL TALL PARENTS OFFSPRING TTtt Tt
6
EGGS AND POLLEN??? SHORTTALLX ALL TALL PARENTS OFFSPRING TTtt Tt Tt GAMETES
7
TODAY’S BIG WORDS MONOHYBRID – Following one trait ALLELE – One form of a gene DOMINANT RECESSIVE HOMOZYGOUS HETEROZYGOUS GENOTYPE PHENOTYPE
8
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
9
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
10
THE PUNNETT SQUARE GAMETES GO HERE
11
THE PUNNETT SQUARE OFFSPRING GO HERE
12
THE PUNNETT SQUARE TT tTt t
13
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
14
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
15
CROSSING TWO OFFSPRING TALL X ??????? PARENTS OFFSPRING
16
EGGS AND POLLEN??? TALL X PARENTS Tt Tt GAMETES tT
17
POTENTIAL FOR DIFFERENT OFFSPRING TALL X PARENTS OFFSPRING Tt Tt GAMETES tT TTTALL
18
POTENTIAL FOR DIFFERENT OFFSPRING TALL X PARENTS OFFSPRING Tt Tt GAMETES tT TtTALL
19
POTENTIAL FOR DIFFERENT OFFSPRING TALL X PARENTS OFFSPRING Tt Tt GAMETES tT ttSHORT
20
THE PUNNETT SQUARE Tt T t
21
Tt TTTTt t tt
22
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
23
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
24
PHENOTYPES Tt T TT tall Tt tall t Tt tall tt short
25
GENOTYPES Tt T TT Homozygous dominant Tt Heterozygous t Tt Heterozygous Tt Homozygous recessive
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.