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- 1. Multiple Choice
Which of the following traits of a dog is inherited from its parents?
the presence of fleas in its fur
the color of its fur
the ability to sit up and beg
the habit of barking to go outside
- 2. Multiple Choice
The physical expression of a genetic trait is called a
mutation
genotype
crossing over
phenotype
- 3. Multiple Choice
The following items are examples of __________.
Items: eye color, hair color, height
homozygous alleles
genotype
heterozygous alleles
phenotype
- 4. Multiple ChoiceAn allele whose trait only shows up when no dominant allele is present.hidden alleledominant allelerecessive allelepresent allele
- 5. Multiple ChoiceWhich of the following genotypes would be considered heterozygous?BBggFfTT
- 6. Multiple ChoiceWhich of the following alleles is homozygous recessive?TtttTTT
- 7. Multiple ChoiceAn allele whose trait always shows up in the organism when the allele is present.recessive alleledominant allelehidden allelepresent allele
- 8. Multiple Choice
T - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 9. 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 - 10. Multiple Choice
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed? (B=brown eyes and b=blue eyes)
0 %
25%
50%
75%
- 11. Multiple Choice
Objective #5
(B-brown eyes & b-blue eyes)
Cross (Dad)Bb X (Mom)BB.
List the possible genotypes from this cross.
BB, Bb, bb
BB
BB, Bb
bb,Bb
- 12. Multiple ChoiceWhich of the following is a phenotype?BBBbbbBlue eyes
- 13. Multiple ChoiceWhat is a phenotypeThe genetic make up (code)The physical trait
- 14. Multiple Choicehaving two of the same genes for the trait (sometimes called purebred).homozygoushetrozygousproteinchromosome
- 15. Multiple Choice
The passing of genetic traits from parent to offspring is known as
heredity
trait
gene
allele
- 16. Multiple ChoiceLong tongues (T) are dominant to short tongues in green tree frogs. What is the probability that two frogs that are heterozygous for long tongues could produce offspring with short tongues?100%75%50%25%
- 17. Multiple ChoiceThis is an example of a ______________.phenotypegenotypexenotypebase pairs
- 18. Multiple ChoiceThis is an example of _____________.phenotypeheliotypeDNAgenotype
- 19. Multiple ChoiceT4 - Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What percentage of the offspring of the cross BbTt x BBtt will have black fur and long tails?0%25%50%100%
- 20. Multiple ChoiceMutations are important because they bring aboutdeath of the organism in which they developgenetic variation needed for a population to evolvebenefits for the individual, not for the populationHardey-Weinberg equilibrium within a population
- 21. Multiple Choice
What is the genotypic ratio from this punnet square?
1:0
3:1
1:1
1:2:1
- 22. Multiple Choice
A homozygous dominant plant with brown seed pods is crossed with a heterozygous plant with brown seed pods. Does this punnet square correctly show this cross?
YES
NO
- 23. Multiple Choice
The genotypic ratio for this cross is:
3:1
1:2:1
9:3:3:1
1:0
1:1
- 24. Multiple Choice
The phenotypic ratio for this cross is:
3:1
1:2:1
9:3:3:1
1:0
1:1
- 25. Multiple Choice
The result of this cross produces genotypic and phenotypic ratios that are the:
SAME
DIFFERENT
- 26. Multiple Choice
Does this correctly show Mendel's P1 cross?
YES
NO - It should be Gg x Gg
NO - It should be GG x Gg
NO - It should be gg x gg
- 27. Multiple Choice
Does this correctly show Mendel's P2 cross?
YES
NO - It should be GG x gg
NO - It should be GG x GG
NO - It should be gg x gg
- 28. Multiple ChoiceIf T=Tall & t=short, what is the genotypic ratio?1:33:11:2:12:2
- 29. Multiple ChoiceB = brown fur b = white fur
In the Punnett square, what is the probability for white fur?0%25%50%75% - 30. Multiple ChoiceIn the Punnett square shown, what must the genotype of the missing parent be?BBBbbbTt
- 31. Multiple ChoiceB - black, b - brown. Two black mice mate and have some black and some brown mice. What is the genotype of the parents?BB x BbBB x bbBb x BbBb x bb
- 32. 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
- 33. 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% - 34. Multiple ChoiceB = brown fur b = white fur
In the Punnett square, what is the probability for white fur?0%25%50%75% - 35. 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% - 36. 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% - 37. Multiple ChoiceWhat is the yellow seed genotype?aaAaAAAA or Aa
- 38. Multiple ChoiceWhat is the dominant trait?yellow pea seedsgreen pea seedsthere is no dominant seedJolly green giant
- 39. Multiple ChoiceWhat does a Punnett Square do?tell you exactly what your offspring will look likeincrease the chance you pass on recessive traitspredict genotypes and phenotypes in offspringhave no purpose but for Taylor to give us extra assignments
- 40. Multiple ChoiceWhat genotype would go in box 2?BBBbbb
- 41. Multiple ChoiceWhat genotype would go in box 3?BBBbbb
- 42. Multiple ChoiceWhat genotype would go in box 1?BBBbbb
- 43. Multiple ChoiceWhich of the following is homozygous dominant?JjRrMMee
- 44. Multiple ChoiceWhich of the following is homozygous recessive?TtttTTT
- Answer choicesTagsAnswer choicesTags