If a heterozygous green snail mated with a brown snail, what would the genotypic ratio of their offspring be? (Green is dominant)
1:2:1
2:2
3:1
1:1
2. Multiple Choice
3 minutes
1 pt
If butterflies can have straight or curly antennae, and curly is recessive; what is the possibility that a pure homozygous dominant butterfly crossed with a heterozygous butterfly, will have offspring with straight antennae?
25%
50%
75%
100%
3. Multiple Choice
30 seconds
1 pt
the genetic makeup of an individual is known as it's
genotype
phenotype
alleles
heterozygous
4. Multiple Choice
30 seconds
1 pt
the physical characteristics that result from genes
phenotype
genotype
heterozygous
homozygous
5. Multiple Choice
30 seconds
1 pt
a form of a trait that is covers another trait is said to be
dominant
recessive
heterozygous
homozygous
6. Multiple Choice
30 seconds
1 pt
Which gentotype would be considered heterozygous?
Rr
RR
rr
YY
7. Multiple Choice
30 seconds
1 pt
different forms of the same gene are called
alleles
genetics
p generation
law of segregation
8. Multiple Choice
3 minutes
1 pt
T = tall an t = short TT and Tt would result in the following phenotype
short
tall
medium sized
neither tall or short
9. Multiple Choice
5 minutes
1 pt
Aa, DD, bB, yy are all examples of
genotypes
phenotypes
10. Multiple Choice
5 minutes
1 pt
What you see, or the physical appearance.
Genotype
Phenotype
Homozygous
Heterozygous
11. Multiple Choice
3 minutes
1 pt
If a heterozygous tall pea plant is crossed with a short pea plant, what are the possible genotypes of the future offspring? (Tall is dominant)
100% Tt
50% Tt, 50% tt
75%Tt, 25%tt
25%TT, 50%Tt, 25%tt
12. Multiple Choice
3 minutes
1 pt
having two of the same genes for the trait (sometimes called purebred).