Normal Gene Expression
Mutated Gene Expression
Genotype:
DNA sequence has _
Mutation is a ______
mRNA is made in ______________________
Mutated sequence has one _______________ difference
Amino acid sequence is made in ___________________
One amino acid _______________________
Because of the 1 difference, mutated amino acid folds to
build a protein, ______________ that is the
_________________ shape
Enzyme that is _______________________ creates the
color pigment. Enzyme with the wrong shape,
_______________ make the color pigment.
Phenotype:
Flower that has normal gene, has _____________ color.
Flower with mutated gene, has __________ color or is
white.
Genotype and Phenotype Practice
Genotype means______________________________________________________________________________
Phenotypes means ____________________________________________________________________________
1. Yellow flowers (Y) are dominant to white flowers (y). What are the genotypes and phenotypes for the following?
Genotype
Phenotype
Homozygous dominant
Homozygous recessive
Heterozygous
2. Curly hair ( C ) is dominant to strait hair ( c ). What are the genotypes and phenotypes for the following?
Genotype
Phenotype
Homozygous dominant
Homozygous recessive
Heterozygous
3. Brown eyes (B) are dominant to hazel eyes (b). What are the genotypes and phenotypes for the following?
Genotype
Phenotype
Homozygous dominant
Homozygous recessive
Heterozygous
4. Tall plants (T) are dominant to short plants (t). What are the genotypes and phenotypes for the following?
Genotype
Phenotype
Homozygous dominant
Homozygous recessive
Heterozygous