Which is Heterozygous?
a. AA
b. Aa
c. aa
b. Aa
Which is homozygous recessive?
a. aa
b. AA
c. Aa
a. aa
What is an allele?
An allele is a specific section that codes for a gene
What is phenotype?
Phenotype are the physical traits or characteristics of an organism.
Genotype is the allele combination. (DNA or genes)
What does it mean to be heterozygous?
The gene will have two nonidentical alleles.
What does it mean when a gene is homozygous recessive?
There will be 2 identical alleles that are lower case or recessive.
Which is homozygous dominant?
a. AA
b. Aa
c. aa
a. AA
Which is phenotype?
a. BB
b. Black hair
c. I don't know
d. cc
b. Black hair
Which is the genotype?
a. Blue eyes
b.I don't know
c. zz
d. Glasses
c. zz
Which is the dominant phenotype?
F-freckles f-no freckles
Freckles
Which of the following are not homozygous recessive?
a. oo
b. cc
c. Zz
d. Rr
c. Zz
d. Rr
What is the definition of a homozygous dominant allele?
The gene will have 2 identical letters both upper case or dominant.
Which of the following are not phenotype?
a. WW
b. Purple Shirt
c. Red hair
d. No freckles
a. WW
b. Purple Shirt
Which of the following are not genotypes?
a. AA
b. White fur
c. oo
d. Red hair
b. White fur
d. Red hair
If the mother is AA and the father is aa, what are the chances of the offspring having the recessive trait?
0%
Anna has the allelels Ee for having five toes. Brock also has the Heterozygous trait for five toes. What is the chance that their offspring will have six toes?
25% Chance
Who has the homozygous dominant trait?
Bella-Aa
Tom-aa
Suzan-AA
Suzan
Which is the recessive phenotype?
B-Brown eyes b-Blue eyes
Blue eyes
Which is the dominant genotype?
a. AA
b. aa
c. Aa
a. AA
c. Aa
What chance is there of getting the dominant trait?
100%
If you have Aa for the mother and Aa for the father, what chance do you have of having a dominant gene?
75%
Which person would be considered to not have a dominant characteristic if the recessive trait was blonde hair and the dominant trait was brown hair?
Holden-Hh
Leah-Blonde Hair
Billy-Brown Hair
Toby-hh
Kila-HH
Leah and Toby
Is this an example of a phenotype?
Black pants
No
Is this an example of a genotype?
MN
No