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- 1. Multiple Choice
What you see, or the physical appearance.GenotypePhenotypeHomozygousHeterozygous - 2. Multiple ChoiceT - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 3. Multiple ChoiceWhich of the following genotypes is heterozygous?BbBBbbB
- 4. Multiple ChoiceWhich of the characteristics is a lion least likely to pass on to its offspring?fur colorlength of tailscars on legbody size
- 5. Multiple ChoiceWhat type of heredity is shown in the pedigree?Sex-Linked DominantSex-Linked RecessiveAutosomal DominantAutosomal Recessive
- 6. Multiple Choice
Dominant alleles are represented by a...
Y chromosome
lowercase letter
recessive trait
capital letter
- 7. Multiple ChoiceTwo brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
(do a Punnett Square)0 %25%50%75% - 8. Multiple ChoiceWhich of the following is a phenotype?Aared hairheterozygous genesmutated DNA
- 9. Multiple Choice
Evan is a tall, 12 year old boy. He has a scar on his right cheek. He is intelligent and an excellent drummer. Which of his traits did he most likely inherit?
height
the scar
his intelligence
ability to play drums
- 10. Multiple ChoiceIn Mendelian genetics, in a heterozygous genotype, the ___________ allele completely takes over in the phenotype. (= complete dominance)recessivedominantlower case letterboth
- 11. Multiple ChoiceWho is considered the "father of genetics"?Gregor MendelReginald PunnettJames WatsonJustin Bieber
- 12. Multiple ChoiceWhat usually explains traits that "skip" a generation?dominant traitsrecessive traitsmutationsnatural selection
- 13. Multiple ChoiceHaving two of the same genes for the trait (sometimes called purebred).homozygoushetrozygousproteinchromosome
- 14. Multiple ChoiceIn the punnett square shown, what must the genotype of the missing parent be?BBBbbbTt
- 15. Multiple ChoiceThis type of inheritance pattern shows BOTH traits in heterozygous offspringcomplete dominanceincomplete dominanceco-dominancesex-linked
- 16. Multiple ChoiceColorblindness is a recessive sex-linked disorder. Cross the parents to figure out which percentage of their offspring will likely be colorblind.25%0%75%50%
- 17. Multiple ChoiceR=round seed
r=wrinkled seed.
Cross a homozygous round pea with a wrinkled pea. Which statement predicts the results?All offspring will be Rr25% of offspring will be RRround seeds will be recessive to wrinkledWrinkled will be observed in half of offspring - 18. Multiple ChoiceThis type of inheritance pattern is an even BLEND of both traits if heterozygous.incomplete dominanceco-dominancecomplete dominancerecessive pattern
- 19. Multiple ChoiceIf the heterozygous shows the dominant phenotype, the inheritance pattern iscomplete dominanceco-dominanceincomplete dominancesex-linked
- 20. Multiple ChoiceA person who is heterozygous for a disorder caused by a homozygous recessive allele _____ affected by the disorder.will bewill not beboth
- 21. Multiple ChoicePolygenic means that _____________________ control a characteristicmany genessingle genessex chromosomesno genes
- 22. Multiple ChoiceIn a Punnett square each box represents a possible....offspringparentgametetrait
- 23. Multiple ChoiceRed/green color blindness is a recessive trait. A woman who is a carrier for this allele marries a normal-vision male. What is the probability that they will have a child who is color blind?
(Punnett square might help!)25%50%75%0% - 24. Multiple ChoiceIf a homozygous red snapdragon and a heterozygous pink snapdragon were crossed - what percentage of the offspring would be homozygous white?0%25%50%75%
- 25. Multiple Choice
This karyotype could belong to someone with...?
male gender
Down syndrome
Monosomy 18
Trisomy 23
- 26. Multiple ChoiceA calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?Incomplete DominanceCo dominanceIndependent assortmentRecessive inheritance
- 27. Multiple Choice
If a male has an affected X chromosome for a sex-linked trait such as colorblindness, where did he get that X chromosome from?
His fatherHis mother - 28. Multiple ChoiceIf a colorblind male marries a woman who is a carrier, what percentage of their FEMALE children will be colorblind?0%25%50%100%
- 29. Multiple ChoiceIn Andalusian fowls, black individuals (BB) and white individuals (bb) are homozygous. Heterozygous individuals are grey (Bb).
What is the genotype ratio for a cross between a grey fowl and a white fowl?2 BB: 2 Bb: 0 bb0 BB: 4 Bb: 0 bb0 BB: 2 Bb: 2 bb1 BB: 2 Bb: 1 bb - 30. Multiple Choice
Hemophilia is a sex linked trait. A normal man marries a woman that is a carrier. What are their chances of having a child with the disorder?
O%50%25%100% - 31. Multiple Choice
The genotype of the affected son and daughter at the bottom of this pedigree...
homozygous dominant
homozygous recessive
heterozygous
Can't tell (AA or Aa)
- 32. Multiple Choice
These bears' offspring have fur patterns that may be due to...
(no that's not really how pandas are made, sadly... pretend)
Medelian inheritance
incomplete dominance
codominance
asexual reproduction
- 33. Multiple ChoiceA dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?25%50%75%100%
- 34. Multiple ChoiceWhat is another way of saying "hybrid"?heterozygoushomozygous dominanthomozygous recessivenone of these choices
- 35. Multiple ChoiceHow many generations are shown in this pedigree?1234
- 36. Multiple ChoiceHow should you write the genotype of a carrier for a sex-linked trait?XAXAXAXaXaXaXAYa
- 37. Multiple ChoiceB = brown eyes
b = blue eyes
What is true about two brothers that both have brown eyes if one has genotype BB & the other is Bb?they have same phenotype and genotypethey have different genotypes and phenotypesthey have same phenotype but different genotypesthey have same genotype but different phenotypes - 38. Multiple ChoiceWhich of the following genotypes is homozygous dominant?AAaAAaa
- 39. Multiple ChoiceIn a pedigree, what shape represents a male?circlesquaretrianglediamond
- 40. Multiple Choice
What sex has an X and a Y chromosome?
male
female
transgender
all of the above
- 41. Multiple ChoiceColorblindness is more common in males than in females becauseFathers pass the allele for colorblindness to their sons onlyThe allele for colorblindness is located on the Y chromosome.It is recessive and located on the X chromosome, & males only get one X.Males who are colorblind have two copies of the allele for colorblindness.
- 42. Multiple Choice
A red eye dragon mates with a yellow eye dragon. Their offspring have yellow eyes.
This is a case of...
complete dominance (mendelian)
incomplete dominance
codominance
skipping a generation
- 43. Multiple ChoiceIf a trait occurs on any of the first 22 chromosomes, it is said to be...autosomalsex-linkeddominanta mutation
- 44. Multiple ChoiceA trait occurring on chromosome #8 must be...AutosomalSex-linkedDown Syndromedominant
- 45. Multiple Choicehaving two different genes for a trait (sometimes called hybrid).proteinhomozygousheterozygousgenotype
- 46. Multiple ChoiceIf a mother has Type O blood, and her baby has Type B, which of these is NOT a possible blood genotype of the father?Type OType ABType B
homozygousType B
heterozygous - 47. Multiple Choice
Use the gene code chart to translate this mRNA sequence: CUAACC
Leu Thr
Leu Ala
Glu Arg
Glu Ala
- 48. Multiple Choice
If a heterozygous Type A woman has kids with a Type AB man, what are the possible blood types of their kids?
A, B, AB, or O
A or AB
A or B
A, B, or AB
- 49. Multiple Choice
What mRNA sequence would the DNA code GCT ACG transcribe to?
GCT ACG
CGA TGC
CGA UGC
ARG THR
- 50. Multiple Choice
What is the probability of 2 guinea pigs who are both heterozygous for hair color & length having a baby that is white with long hair? (Use dihybrid Punnett image)
1/16
9/16
3/16
8/16
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