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- 1. Multiple ChoiceJosh has a widow's peak (Ww). His mother also has a widow's peak (WW). His father does not have a widow's peak (ww). What does this indicate about the heredity of Josh's widow's peak?He received both of his alleles for this particular trait from his father.He received both of his alleles for this particular trait from his mother.He received a dominant allele from his father and a recessive allele from his
mother.He received a dominant allele from his mother and a recessive allele from
his father. - 2. Multiple ChoiceTall is dominant to short. A homozygous tall plant is crossed with a short plant. What will be the phenotypes of the offspring?100% tall50% tall, 50% short75% tall, 25% short25% tall, 75% short
- 3. Multiple ChoiceTwo brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?0 %25%50%75%
- 4. Multiple Choice
Bob the abominable snowman lives in the snowy Andes mountains. He has white fur, which blends in nicely. He is therefore dismayed when his mate keeps having red-furred babies. What is Bob's likely genotype?Homozygous DominantHeterozygousHomozygous RecessiveHe doesn't have a genotype - 5. Multiple Choice
What phenotype would result from crossing a homozygous dominant purple-flowered pea plant (PP) with a homozygous recessive white-flowered pea plant (pp)?
Pp
Purple
White
PP and pp
- 6. Multiple Choice
Georgette wants to breed her pet phoenixes, but she isn't sure if the babies will burst into blue flames or red flames. Her documents show that her female phoenix is homozygous dominant for red flames (RR), while her male phoenix is homozygous recessive for blue flames (rr). What color flames will the babies have?
Red
Blue
Orange
50% Red, 50% Blue
- 7. 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? (T=long, t=short)0%25%50%75%
- 8. Multiple ChoiceWhat is the probability of a purple-horned unicorn if a heterozygous pink-horned unicorn is crossed with a heterozygous pink-horned unicorn? (P= pink, p=purple)0%25%50%75%
- 9. Multiple ChoiceLeonardo bet his friend Oliver that two heterozygous green-eyed sea monsters could not have a recessive blue-eyed baby sea monster. Oliver said they can have a blue-eyed sea monster.
Who wins the bet? (G- green, g-blue)LeonardoOliverBothNeither - 10. Multiple Choice
Square body (S) is dominant to round body (s). Which of the following would have a square body?
Ss only
SS only
ss
Ss and SS
- 11. Multiple ChoiceBlue eyes (b) are recessive to brown eyes (B). Which of the following genotypes would be blue eyes?BbbbBBBB and Bb
- 12. Multiple Choice
The dominant trait in this punnett squre is
yellow pea seeds
green pea seeds
- 13. Multiple ChoiceIn the punnett square shown, what must the genotype of the missing parent be?BBBbbbTt
- 14. Multiple ChoiceT - tall and t = short
In the Punnett square below, what belongs in the missing square?ttTtBbTT - 15. Multiple ChoiceIf green is dominant over purple, then what is the genotype for this individual?PurpleGreenGGgg
- 16. Multiple ChoiceBrown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
BB x bbBBBbbbbrown fur - 17. Multiple Choice
Brown fur is dominant to white fur in dogs. A homozygous dominant dog (BB) is crossed with a heterozygous dog (Bb). What are the percentages of the possible genotypes?
100% BB
75% BB and 25%Bb
50 % BB and 50% Bb
50% Bb and 50% bb
- 18. Multiple ChoiceWhat is the yellow seed genotype?aaAaAAAA or Aa
- 19. Multiple Choice
Which of the following shows the correct percentages in the punnett square?
25% blue eye 75 % brown eye
BB = 25% Bb = 50% bb = 25%
BB= 50 % bb = 50%
All brown eye
- 20. Multiple ChoiceHow many boxes would say BB?1240
- 21. Multiple ChoiceBoth parents in this Punnet squareare homozygous dominantare homozygous recessiveare heterozygoushave blue eyes
- 22. Multiple ChoiceWhat are the chances of the offspring being homozygous dominant if the mother and father are bb?100%75%50%0%
- 23. Multiple ChoiceWhat chance does the offspring have of showing a recessive trait?50%75%100%25%
- 24. Multiple ChoiceWhat chance does the offspring have of showing a dominant trait?100%75%50%0%
- 25. Multiple ChoiceWhat allele combination should go in the missing box?AAAaaanone of these
- 26. Multiple ChoiceMark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?Brown HairBlonde HairBrown and Blonde HairBlack Hair
- 27. Multiple ChoiceWhat is the percentage of homozygous recessive offspring?0%25%50%75%
- 28. Multiple Choice
Which of the following is a heterozygous genotype?
GG
gg
G
Gg
- 29. Multiple ChoiceDominant alleles are represented by a(n)phenotypelower case letterupper case letterpunnett square
- 30. Multiple Choice
True or False:
A heterozygous trait can be written as BB.
True
False
- 31. Multiple ChoiceD = dimples d = no dimples
What is the genotype for a homozygous recessive offspring?DDDddd - 32. Multiple ChoiceTrue or False: If a dominant allele is present, the trait will always appear in the organism.TrueFalse
- 33. Multiple Choice
The phenotype is
The genetic make up (code)
The physical trait
- 34. Multiple Choice
The passing of genetic traits from parent to offspring.
heredity
trait
gene
allele
- 35. Multiple Choice
Purebred is also called
homozygous
hetrozygous
protein
chromosome
- 36. Multiple Choice
Hybrid is also called
protein
homozygous
heterozygous
genotype
- 37. Multiple Choice
One form of a gene is called _______________
DNA
a Punnett Square
heredity
an allele
- Answer choicesTagsAnswer choicesTags