Vocabulary
Define a Dominant trait
The gene that is always expressed
BB: Brown Eyes
Bb: Brown Eyes
bb: blue eyes
Cross a parent that is fully recessive and homozygous dominant brown eyes.
bb x BB
All kids Bb (Brown Eyes)
Which of the following are HETEROZYGOUS genotypes.
TT Gg rr Pp Ll WW
Gg Pp Ll
What is the difference between genotype and phenotype?
Genotype is letters
Phenotype is physical traits
What size shoe does Miss Huffer wear?
7
Define a Recessive Trait
Gene that is only expressed when it is in a homozygous state
BB: Black Fur
Bb: Black Fur
bb: Grey Fur
Cross two heterozygous parents. What are the possible genotypes for my children?
Bb x Bb
BB : 1
Bb: 2
bb: 1
Which of the following are HOMOZYGOUS DOMINANT genotypes.
TT Gg rr Pp Ll WW aa EE Jj
TT WW EE
If a fully white flower and a fully red flower were crossed, could they have any red flowered offspring?
No they would have all pink
What kind of candy does Miss Huffer not like?
Chocolate
Define homozygous
When the genotype has the same kind of letter
BB: Black Fur
Bb: Black Fur
bb: Grey Fur
Do the cross between two recessive parents. Could two recessive parents have a black fur?
No only grey fur babies
Which of the following are HOMOZYGOUS RECESSIVE genotypes.
tt Gg rr Pp Ll WW aa EE Jj
rr aa tt
What do the letters inside a Punnett square represent?
- To see possible genotypes and phenotypes for offspring.
What is Miss Huffer's middle name?
Sue
Define Heterozygous
Genotypes that are made of two different alleles or letters.
RR: Blue Flowers
Rr: Green Flowers
rr: Yellow Flowers
Cross a Green flower and a yellow flower. What are the possible PHENOTYPES for the offspring?
Rr x rr
Green: 2
Yellow: 2
Genotypes in which the DOMINANT Gene shows
AA Dd EE ff Jj RR ss PP
AA Dd EE Jj RR PP
Who do the genes belong to that you cross in a Punnett square?
Parents
What body part did Miss Huffer break when she was younger?
Arm
Type of Punnett Square where there is 3 phenotypes instead of 2. Hint: It's two words
Incomplete Dominance
RR: Blue Flowers
Rr: Green Flowers
rr: Yellow Flowers
Cross a Blue Flower and a Green Flower. What are the possible GENOTYPES for the offspring?
RR x Rr
RR: 2
Rr: 2
Genotypes in which the recessive gene shows
aa Gg FF gg rr Tt PP
aa gg rr
Can a Punnett square predict the exact traits an offspring will have?
No, a Punnett square only shows probabilities, not guarantees.
What is the furthest state Miss Huffer has ever travelled?
California