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- 1. Multiple ChoiceAa, DD, bB, yy are all examples ofgenotypesphenotypes
- 2. Multiple ChoiceAA and Aa always show up asdominantrecessive
- 3. Multiple Choice
What 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 - 4. Multiple ChoiceWhich of the following genotypes is homozygous dominant?AAaAAaa
- 5. Multiple ChoiceWhich of the following genotypes is heterozygous?BbBBbbB
- 6. Multiple ChoiceIn a heterozygous genotype, the ___________ allele takes over in the phenotype.recessivedominantlower case letterboth
- 7. Multiple ChoiceIn plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?0%25%50%75%
- 8. Multiple ChoiceB = brown fur b = white fur
In the punnett square, what is the probability for white fur?0%25%50%75% - 9. Multiple ChoiceG = green, g = yellow
The genotype for a yellow plant is...GGGgggall of the choices result in yellow - 10. Multiple ChoiceT - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 11. Multiple ChoiceIn a heterozygous genotype, the ___________ allele takes over in the phenotype.recessivedominantlower case letterboth
- 12. Multiple ChoiceWhich of the following is NOT a genotype?heterozygousa traitBbhomozygous recessive
- 13. Multiple ChoiceWhich of the following alleles is homozygous (purebred) recessive?TtttTTt
- 14. Multiple ChoiceTwo brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?0 %25%50%75%
- 15. Multiple ChoiceWhat you see, or the physical appearance.GenotypePhenotypeHomozygousHeterozygous
- 16. Multiple ChoiceB = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.they have same phenotype and genotypethey have different genotypes and phenotypesthey have same phenotype but different genotypesthey have same genotype but different phenotypes - 17. Multiple ChoiceDominant alleles are represented by a:Male genelowercase letterrecessive traitcapital letter
- 18. Multiple ChoiceWhat is the probability of heterozygous offspring?25%50%0%100%
- 19. Multiple ChoiceIn plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?0%25%50%75%
- 20. Multiple ChoiceWhat allele combination should go in the missing box?AAAaaanone of these
- 21. Multiple ChoiceThe dominant trait as seen in this punnett square isyellow pea seedsgreen pea seedsthere is no dominant seedJolly green giant
- 22. Multiple ChoiceWhat are the possible genotypes for this cross?TT = 25% Tt= 50% tt=25%all tallTT= 75% tt = 25%Tt = 100%
- 23. Multiple ChoiceAn organism's appearance or other observable characteristics:phentoypegenotyperecessivedominant
- 24. Multiple ChoiceAn organism's genetic make-up:phenotypegenotypedominantrecessive
- 25. Multiple ChoiceIn the punnett square shown, what must the genotype of the missing parent be?BBBbbbTt
- 26. Multiple ChoiceHaving two different alleles for a trait (example Hh):homozygousheterozygousdominantpurebred
- 27. Multiple ChoiceAa ishomozygous (purebred)heterozygous (hybrid)
- 28. Multiple ChoiceWhich of the following alleles is homozygous (purebred) recessive?TtttTTt
- 29. Multiple ChoiceIn a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?rrRRRRR or Rr
- 30. Multiple ChoiceWhich of the following is homozygous dominant?YyYyyYY
- 31. Multiple ChoiceWhich of the following is homozygous recessive?TtttTTT
- 32. Multiple ChoiceWhat are the possible genotypes for this cross?TT = 25% Tt= 50% tt=25%all tallTT= 75% tt = 25%Tt = 100%
- 33. Multiple ChoiceIn a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?25%0%100%50% - 34. Multiple ChoicePurple (P) is dominant to the white (p).
According to the Punnett Square, what is the probability of an offspring being purple?25%0%100%50% - 35. Multiple ChoiceRed flower (R) color is dominant to white flower (r) color in rose plants. What is the expected phenotypic results of a cross between two heterozygous (Rr) rose plants?100% red75% red, 25% white50% red, 50% white75% white, 25% red
- Answer choicesTagsAnswer choicesTags