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- 1. Multiple Choice
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?Tall = T
Short = STall = T
Short = tTall = t
Short = TTall = TT
Short = tt - 2. Multiple ChoiceA heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?0%25%50%75%
- 3. Multiple ChoiceIdentify the homozygous dominant genotype:FFFfff
- 4. Multiple Choice
If a homozygous recessive woman marries a heterozygous man. What is the chance of having a baby with dimples?
0%
25%
50%
75%
100%
- 5. Multiple Choice
Two parents have a heterozygous genotype for eye color. What is the chance of having a blue eye baby?
0%
25%
50%
75%
100%
- 6. Multiple ChoiceWhat are genes?Something you wear.Segments of DNA that carry traits for offspring.The powerhouse of cells.None of the above.
- 7. Multiple ChoiceWhich of the following is an example of phenotype?bbblue eyes
- 8. Multiple ChoiceWhich of the following genotypes are purebred?PfPpPPpP
- 9. Multiple ChoiceIf you are purebred dominant for a trait, your genotype would be...TtTTtttall
- 10. Multiple ChoiceWhich of these is homozygous recessive?RrrRRRrr
- 11. Multiple Choice
The different forms of a gene
alleles
atoms
proteins
wheels
- 12. Multiple Choice
This trait always shows up in an organism when the allele is present
dominant allele
codominance
probability
recessive allele
- 13. Multiple Choice
This trait is hidden whenever the dominant allele is present
dominant allele
codominance
recessive allele
Punnett Square
- 14. Multiple Choice
A chart that shows all the possible combinations of alleles that can result from a genetic cross
dominant allele
codominance
probability
Punnett Square
- 15. Multiple Choice
An organism's physical appearance or visible traits. (what it looks like)
phenotype
genotype
- 16. Multiple Choice
An organism's genetic makeup, or allele combination. The letters we use to show the allele combination.
phenotype
genotype
- 17. Multiple Choice
An organism that has two identical (THE SAME) alleles for a trait (purebred)
homozygous
heterozygous
- 18. Multiple Choice
An organism that has two different alleles for a trait (hybrid)
homozygous
heterozygous
- 19. Multiple Choice
B = brown fur b = white fur
In the Punnett square, what is the probability for white fur?
0%
25%
50%
75%
- 20. Multiple ChoiceT - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 21. Multiple ChoiceWhat is the probability of heterozygous offspring?25%50%0%100%
- 22. Multiple ChoiceWhat allele combination should go in the missing box?AAAaaanone of these
- 23. Multiple ChoiceEach one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?25%1%10%0%
- 24. Multiple ChoiceWhat is the phenotype of the offspring? (A-Brown hair; a-blond hair)50 % Brown Hair and 50% Blond Hair25 % Brown Hair and 75% Blond Hair75 % Brown Hair and 25% Blond Hair0% Brown Hair and 100% Blond Hair
- 25. Multiple ChoiceWhich of the following genotypes is heterozygous?BbBBbbB
- Answer choicesTagsAnswer choicesTags