What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?
Genesis
Elective traits
Alleles
Quadrants
2. Multiple Choice
1 minute
1 pt
What do we call the result of the genotype (for example, the color of the peas)?
Visible traits
Physiotrait
Genotype 2
Phenotype
3. Multiple Choice
1 minute
1 pt
If green is dominant over purple, then what is the genotype for this individual?
Purple
Green
GG
gg
4. Multiple Choice
1 minute
1 pt
Another word for homozygous is...
purebred
hybrid
heterozygous
dominant
5. Multiple Choice
1 minute
1 pt
Tt is-
homozygous dominant
homozygous recessive
heterozygous
none of these
6. Multiple Choice
1 minute
1 pt
If a pea plant were homozygous recessive for height, how would its alleles be represented?
TT
Tt
tt
tT
7. Multiple Choice
1 minute
1 pt
Gregor Mendel's "P" generation consisted of purple flower plants crossed with white flower plants. What were the results of this cross?
All purple flower offspring
All white flower offspring
Some purple flowers and some white flowers
8. Multiple Choice
1 minute
1 pt
A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.
Gene
Allele
Codon
Nucleotide
9. Multiple Choice
1 minute
1 pt
Which of the following best describes a GENOTYPE?
The allele/genetic makeup of an organism.
The physical expression of a trait.
10. Multiple Choice
1 minute
1 pt
Which of the following is an example of a heterozygous genotype?
RR
Rr
rr
11. Multiple Choice
1 minute
1 pt
The letters on the TOP AND SIDE of a punnett square represent ______________.
The combination of alleles in offspring.
The possible alleles given by the parents following meiosis.
The genotype and phenotype of offspring.
The results of genetic mutations in offspring.
12. Multiple Choice
1 minute
1 pt
What is the predicted percentage of homozygous recessive offspring in this cross?
0%
25%
50%
75%
13. Multiple Choice
1 minute
1 pt
This type of inheritance pattern shows BOTH traits in possible offspring
complete dominance
incomplete dominance
co-dominance
dominant pattern
14. Multiple Choice
1 minute
1 pt
Why do we see only tall plants in the second generation?
The gene for tall height is dominant
The gene for short height is dominant
The gene for tall height is recessive
The parents did not have the tall gene
15. Multiple Choice
1 minute
1 pt
The dominant trait in this punnett square is
yellow pea seeds
green pea seeds
there is no dominant seed
16. Multiple Choice
1 minute
1 pt
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
0 %
25%
50%
75%
17. Multiple Choice
3 minutes
1 pt
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
There is no difference
The heterozygous genotype has a unique phenotype
There is no heterozygous genotype
There is only one phenotype regardless of genotype.
18. Multiple Choice
30 seconds
1 pt
this image is an example of
codominance
dominance
incomplete dominance
19. Multiple Choice
1 minute
1 pt
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
all black
all white
all gray
speckled black and white
20. Multiple Choice
1 minute
1 pt
In some carnations, flower color exhibits codominance. Identify the correct genotypes for red, white, and speckled carnations.