Hemophilia is a x-linked disorder. A woman is a carrier for the disorder. Which is the correct genotype?
Hh
XHXh
hh
XhXh
2. Multiple Choice
30 seconds
1 pt
A person who has one dominant and one recessive allele for a trait, but does not have the trait.
Clone
Carrier
Diseased
Karyotype
3. Multiple Choice
30 seconds
1 pt
What type of heredity is shown in the pedigree?
Sex-Linked Dominant
Sex-Linked Recessive
Autosomal Dominant
Autosomal Recessive
4. Multiple Choice
30 seconds
1 pt
What type of heredity is shown in the pedigree?
Sex-Linked Dominant
Sex-Linked Recessive
Autosomal Dominant
Autosomal Recessive
5. Multiple Choice
20 seconds
1 pt
Aa, DD, bB, yy are all examples of
genotypes
phenotypes
6. Multiple Choice
1 minute
1 pt
AA and Aa always show up as
dominant
recessive
7. Multiple Choice
1 minute
1 pt
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
0 in 4
1 in 4
2 in 4
4 in 4
8. Multiple Choice
1 minute
1 pt
Which of the following genotypes is homozygous dominant?
A
Aa
AA
aa
9. Multiple Choice
1 minute
1 pt
In 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?
rr
R
RR
RR or Rr
10. Multiple Choice
30 seconds
1 pt
Which of the characteristics is a lion least likely to pass on to its offspring?
fur color
length of tail
scars on leg
body size
11. Multiple Choice
1 minute
1 pt
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
recessive
dominant
lower case letter
both
12. Multiple Choice
1 minute
1 pt
T - tall and t = short In the punnett square below, what belongs in the missing square
tt
Tt
Bb
TT
13. Multiple Choice
1 minute
1 pt
B = 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 genotype
they have different genotypes and phenotypes
they have same phenotype but different genotypes
they have same genotype but different phenotypes
14. Multiple Choice
1 minute
1 pt
aa always shows up as
dominant
recessive
15. Multiple Choice
1 minute
1 pt
Aa is
homozygous
heterozygous
16. Multiple Choice
1 minute
1 pt
Which of the following is a phenotype?
Aa
red hair
heterozygous
DNA
17. Multiple Choice
30 seconds
1 pt
What gender has an X and a Y chromosome?
male
female
transgender
all of the above
18. Multiple Choice
1.5 minutes
1 pt
How many alleles (letters) do each person carry for a trait?
1
2
3
4
19. Multiple Choice
1 minute
1 pt
How many alleles (letters) does a child get from each parent for each trait?
1
2
3
4
20. Multiple Choice
1 minute
1 pt
W=white hair w= non-white hair If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
none
3/4
1/2
all
21. Multiple Choice
30 seconds
1 pt
How many generations are shown in this pedigree?
1
2
3
4
22. Multiple Choice
30 seconds
1 pt
Which individual in the first generation is a carrier?
The male
The female
individual 1
None of the above
23. Multiple Choice
1.5 minutes
1 pt
How many kids did the mother and father from the first generation have?
2
4
5
6
24. Multiple Choice
30 seconds
1 pt
How many boys did the mother and father from the first generation have?
2
4
5
6
25. Multiple Choice
1 minute
1 pt
In the second generation-how many people are carriers of the trait?
2
3
5
6
26. Multiple Choice
30 seconds
1 pt
How many people in this whole pedigree have the trait/disease?
2
3
4
6
27. Multiple Choice
30 seconds
1 pt
What gender of offspring are most often affected by sex-linked inheritance? What gender are usually carriers of the trait?
males, males
females, males
males, females
females, females
28. Multiple Choice
30 seconds
1 pt
What do the shaded shapes represent in a pedigree chart?
normal individuals
individuals who have the trait
carriers
dominant individuals
29. Multiple Choice
2 minutes
1 pt
What percentage of the offspring will have this recessive disease?
0%
25%
50%
75%
30. Multiple Choice
2 minutes
1 pt
What percentage of the female offspring will be a carrier for this recessive disease?
0%
50%
100%
25%
31. Multiple Choice
2 minutes
1 pt
Looking at this pedigree, how many female family members are carriers?
1
3
10
7
32. Multiple Choice
30 seconds
1 pt
How many PAIRS of chromosomes do humans have?
23
46
1
2
33. Multiple Choice
1 minute
1 pt
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?
sex-linked trait
polygenic trait
codominant trait
incomplete dominance trait
34. Multiple Choice
30 seconds
1 pt
What factors can affect a person's height?
genes only
both genes and environmental factors
a person's blood type
a person's karyotype
35. Multiple Choice
30 seconds
1 pt
What is a pedigree?
a chart that tracks which members of a family have a particular trait
a geneticist who studies the inheritance of traits in humans
a picture of all the chromosomes in a cell
an allele passed from parent to child on a sex chromosome
36. Multiple Choice
30 seconds
1 pt
What must occur for a girl to be colorblind?
each parent must be colorblind
each parent must have the dominant allele for colorblindness
each parent must have the recessive allele for colorblindness
each parent must have two codominant alleles for colorblindness
37. Multiple Choice
45 seconds
1 pt
In a pedigre, If more squares/ circles are dark, than light, the trait is probably
dominant
recessive
non-dominant
sex-linked recessive
38. Multiple Choice
45 seconds
1 pt
If more squares than circles have the trait, the trait is probably
autosomal
sex linked
39. Multiple Choice
1 minute
1 pt
This is an example of ___________?
Incomplete dominance
Co-Dominance
40. Multiple Choice
30 seconds
1 pt
What type of inheritance do two alleles have if their traits blend together?
Incomplete Dominance
Co-Dominance
41. Multiple Choice
1 minute
1 pt
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete Dominance
Co dominance
42. Multiple Choice
1 minute
1 pt
A tall plant (TT) is crossed with a short plant (SS) and a medium plant (TS) results. This is what type of inheritance pattern?
Incomplete Dominance
Codominance
43. Multiple Choice
1 minute
1 pt
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
There is no difference
The heterozygous genotype has a unique phenotype
There is no heterozygous genotype
There is only one phenotype regardless of genotype.
44. Multiple Choice
30 seconds
1 pt
If you cross a black chicken with a white chicken, only checkered chickens would be produced. What kind of inheritance pattern does this follow?
incomplete Dominance
Co-Dominance
45. Multiple Choice
5 minutes
1 pt
What type of heredity is shown in the pedigree?
Sex-Linked Dominant
Sex-Linked Recessive
Autosomal Dominant
Autosomal Recessive
46. Multiple Choice
5 minutes
1 pt
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.