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- 1. Multiple Choice
How many pairs of chromosomes does each person have?
46
23
2
1,046,023
- 2. Multiple Choice
The trait that will always be expressed if at least one copy of an allele is present.
Recessive
Dominant
DNA
- 3. Multiple Choice
The trait that will be expressed only if two copies of the allele are present.
Recessive
Dominant
DNA
- 4. Multiple Choice
What is it called when a gene carries two different types of alleles?
Homozygous
Heterozygous
Monozygous
Trizygous
- 5. Multiple Choice
What is it called when a gene carries two of the same alleles?
Homozygous
Heterozygous
Monozygous
Mamazygous
- 6. Multiple Choice
Which of the following is heterozygous?
FF
Gg
tt
RR
- 7. Multiple Choice
Which of the following is homozygous recessive?
rr
TT
AA
Ff
- 8. Multiple Choice
Which of the following is homozygous dominant?
Jj
MM
Rr
ee
- 9. Multiple Choice
Which of the following is heterozygous?
AA
Aa
aa
22
- 10. Multiple Choice
Brown eye color is dominant. Blue eye color is recessive. Select the combination of letters below that would represent a person being a purebred for brown eyes. In other words, which option represents a person having both alleles for brown eyes? (hint: think of capitalization of letters and what is used for dominant vs. recessive).
AA
Aa
aa
aA
- 11. Multiple Choice
Brown eye color is dominant. Blue eye color is recessive. Select the person that is a purebred for blue eyes.
AA
Aa
aA
aa
- 12. Multiple Choice
What is the definition of the phenotype?
The physical traits of an organism
The genetic makeup of an organism
The letters eg, Aa
How the genotype is expressed.
- 13. Multiple ChoiceOne form of a gene is called_______________a DNAa Phenotypea traitan allele
- 14. Multiple Choice
Why does Scar have a scar but his brother Mufasa does not?
Mufasa did not inherit it
The scar gene skipped a generation
The scar is an environmental trait
Mufasa is not his brother
- 15. Multiple ChoiceThe genotype is the ______________.physical appearanceGenetic makeupAlleles gained from one parent
- 16. Multiple ChoiceAn allele whose trait only shows up when no dominant allele is present.hidden alleledominant allelerecessive allelepresent allele
- 17. Multiple ChoiceHow much of your DNA do you inherit from your mom?10%25%50%it varies
- Answer choicesTagsAnswer choicesTags