A chromosome starts off with the genes ABCDEF and ends up with ADEF, what type of mutation has taken place?
Question 1 (2 points)
1
Alleles are
Question 1 options:
| A) | Different forms of the same gene | |
| B) | Two different genes on the same chromosome that interact | |
| C) | Chromosome pairs | |
| D) | Different forms of phenotypes | |
| E) | Two different loci on the same chromosome |
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Question 2 (2 points)
2
A human genome has 46 chromosomes/autosomes and the sperm cell has:
Question 2 options:
| A) | 44 | |
| B) | 46 | |
| C) | 23 | |
| D) | 38 |
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Question 3 (2 points)
3
How many different gametes will the parent AABBDd make?
Question 3 options:
| A) | eight | |
| B) | two | |
| C) | four | |
| D) | six |
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Question 4 (2 points)
4
What term best describes you if you have two chromosomes with different alleles?
Question 4 options:
| A) | heterozygous dominant | |
| B) | homozygous recessive | |
| C) | homozygous dominant | |
| D) | heterozygous |
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Question 5 (2 points)
5
The The The gametes in the punnett square produced what phenotypes?
Question 5 options:
| A) | 1 dominant, 2 heterozygous and 1 recessive | |
| B) | 1 heterozygote, 2 homozygous recessive and 1 homozygous dominant | |
| C) | 3 dominant and 1 recessive | |
| D) | 3 recessive and 1 dominant |
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Question 6 (2 points)
6
What genotypes are produced in the punnett square example?
Question 6 options:
| A) | 1 dominant, 2 heterozygous and 1 recessive | |
| B) | 1 heterozygote, 2 homozygous recessive and 1 homozygous dominant | |
| C) | 3 dominant and 1 recessive | |
| D) | 3 recessive and 1 dominant |
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Question 7 (2 points)
7
The punnett square in this example is a :
Question 7 options:
| monohybrid cross | |
| dihybrid cross | |
| test cross | |
| parent cross |
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Question 8 (2 points)
8
The punnett square has nine individuals with what phenotypes?
Question 8 options:
| A) | nine with the same genotype | |
| B) | nine with both dominant characterisitics | |
| C) | nine individuals with one recessive and one dominant phenotype | |
| D) | nine with both recessive characteristics. |
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Question 9 (2 points)
9
Which individual would have the largest number of autosomes?
Question 9 options:
| A) | A person with Klinefelter syndrome | |
| B) | A person with Turner syndrome | |
| C) | A healthy woman | |
| D) | A healthy man | |
| E) | A person with Down syndrome |
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Question 10 (2 points)
10
Which individual would have the largest number of sex chromosomes?
Question 10 options:
| A) | A person with Klinefelter syndrome | |
| B) | A person with Turner syndrome | |
| C) | A healthy woman | |
| D) | A healthy man | |
| E) | A person with Down syndrome |
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Question 11 (2 points)
11
If Albinism was a dominant X-sex-linked trait fathers having the trait would pass it to all of their:
Question 11 options:
| A) | Offspring regardless of gender | |
| B) | Male offspring | |
| C) | Albino offspring | |
| D) | Female offspring |
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Question 12 (2 points)
12
An example of incomplete dominance would be:
Question 12 options:
| A) | Eye color | |
| B) | AB blood type | |
| C) | Red and white flowers producing pink offspring | |
| D) | all of the answers are correct |
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Question 13 (2 points)
13
An example of codominance would be:
Question 13 options:
| A) | Eye color | |
| B) | AB blood type | |
| C) | Red and white flowers producing pink offspring | |
| D) | all of the answers are correct |
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Question 14 (2 points)
14
A chromosome starts off with the genes ABCDEF and ends up with ADEF, what type of mutation has taken place?
Question 14 options:
| A) | translocation | |
| B) | deletion | |
| C) | point mutation | |
| D) | Addition |
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Question 15 (2 points)
15
If a woman with blood type B had a child with blood type O you would expect the genotype of:
Question 15 options:
| A) | the father would only have blood type allele O | |
| B) | the mother would have the alleles B and O | |
| C) | the father would have the alleles A and B | |
| D) | The mother would have the alleles A and A |
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Question 16 (2 points)
16
A person with blood type AB had a father that had blood type B. What are the possible genotypes of that person’s mother?
Question 16 options:
| A) | Every blood type. | |
| B) | The blood types A, B or AB. | |
| C) | Genotypes AO, AA and AB. | |
| D) | Genotypes BO, BB and AB. |
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Question 17 (2 points)
17
A population is represented by the equation p2+ 2pq + q2 and you need to know how many heterozygotes are in the population, which part of the equations represents them?
Question 17 options:
| A) | p2 | |
| B) | 2pq | |
| C) | q2 | |
| D) | none of the answers |
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Question 18 (2 points)
18
If the equation .25 + .5 + .25 were the numbers in the Hardy-Weinberg equation what is the frequency of heterozygotes?
Question 18 options:
| A) | 100,000 | |
| B) | 25 | |
| C) | 25% | |
| D) | 50% |
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Question 19 (2 points)
19
The shaded squares represent:
Question 19 options:
| A) | females with the trait of interest | |
| B) | males with the trait of interest | |
| C) | females without the trait of interest | |
| D) | males without the trait of interest |
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Question 20 (2 points)
20
