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- 1. Multiple ChoiceAA and Aa always show up as
dominant
recessive
- 2. Multiple ChoiceWhich of the following genotypes is homozygous dominant?AAaAAaa
- 3. Multiple Choice
Tongue rolling is dominant over not being able to roll your tongue. Let's use the letter "T" to represent the alleles. Which letter would represent the dominant allele?
t
T
- 4. Multiple Choice
The genotype "tt" is ____.
heterozygous
homozygous recessive
homozygous dominant
- 5. Multiple Choice
Hair color is an example of
genotype
phenotype
- 6. Multiple ChoiceMark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?BBbbBbbB
- 7. Multiple ChoiceAa, DD, bB, yy are all examples ofgenotypesphenotypes
- 8. Multiple ChoiceThe genotype of: Heterozygous Course Hair will have the alleles of...HhHHhh
- 9. Multiple ChoiceThis trait will always be expressed if present because it will mask the expression of othersstem cellsheterozygousdominantrecessive
- 10. Multiple Choice
T - tall and t = short
In the punnett square below, what belongs in the missing square
tt
Tt
Bb
TT
- 11. Multiple ChoiceWhat ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?0 in 41 in 42 in 44 in 4
- 12. Multiple Choice
Which of the following genotypes is homozygous dominant?
Yy
yY
yy
YY
- 13. Multiple Choice
What are the phenotype percentages of the offspring?
(A-Brown fur color; a-white fur color)
50 % Brown fur and 50% White fur
25 % Brown fur and 75% White fur
75 % Brown fur and 25% White fur
0% Brown fur and 100% White fur
- 14. Multiple ChoiceB = brown fur b = white fur
In the punnett square, what is the probability for white fur?0%25%50%75% - 15. Multiple ChoiceTwo brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?0 %25%50%75%
- 16. Multiple ChoiceWhat is the dominant trait?yellow pea seedsgreen pea seedsthere is no dominant seedJolly green giant
- 17. Multiple ChoiceWhat are the possible genotypes for this cross?
(Click the picture to see it without the text)TT = 25% Tt= 50% tt=25%all tallTT= 75% tt = 25%Tt = 100% - 18. Multiple ChoiceWhat genotype would go in box 2?BBBbbb
- 19. Multiple ChoiceWhich of the following is homozygous recessive?rrAATTFf
- 20. Multiple ChoiceIf B is the dominant allele for brown hair, and b is for blonde hair
What is the phenotype for Bb?Brown HairBlonde HairBrown and Blonde HairBlack Hair - 21. Multiple ChoiceThe different forms of a gene are calledtraitschromosomesallelespeas
- 22. Multiple ChoiceG = green, g = yellow
The genotype for a yellow plant is...GGGgggall of the choices result in yellow - 23. Multiple ChoiceWhat you see, or the physical appearance.GenotypePhenotypeHomozygousHeterozygous
- 24. Multiple ChoiceComplex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.DNAproteinRNAglucose nucleic acid (GNA)
- 25. Multiple ChoiceHow many alleles (letters) do each person carry for a trait?1234
- Answer choicesTagsAnswer choicesTags