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BIO 181 FINAL PRACTICE EXAM (LATEST 2024/2025 UPDATE) |VERIFIED 100% $13.09   Add to cart

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BIO 181 FINAL PRACTICE EXAM (LATEST 2024/2025 UPDATE) |VERIFIED 100%

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BIO 181 FINAL PRACTICE EXAM (LATEST 2024/2025 UPDATE) |VERIFIED 100%

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  • August 10, 2024
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  • 2024/2025
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BIO 181 FINAL PRACTICE EXAM (LATEST
2024/2025 UPDATE) |VERIFIED 100%

1. A cell is observed to have 4 chromosomes. What is the possible number of combinations
of chromosomes this cell can have?
a. 4
b. 8
c. 16
d. 20
e. 24
2. Before meiosis happens, the cell must undergo:
a. G1
b. S
c. G2
d. All of the above
3. Fertilization refers to:
a. The process of 2 gametes fusing
b. What is created after 2 gametes fuse
c. The process of an embryo growing
d. The formation of gametes
4. Hemophilia is an X-linked recessive disease. If an unaffected, carrier mother has a child
with an affected father, what is the chance that a son will have hemophilia?
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
5. When a ball is at the top of a hill, not in motion, the ball has energy.
a. Conserved
b. Potential
c. Kinetic
d. Thermal
6. Which of the following refers to Mendel’s Law of Independent Assortment?
a. Chromosomes line up independently of maternal or paternal copy
b. Only one allele exists in each gene
c. Alleles of different genes on different chromosomes are inherited independently
of each other
d. An offspring with a dominant allele will always exhibit the dominant trait
7. Which of the following is in the correct order of the life cycle?
a. Meiosis -> fertilization -> gamete -> mitosis -> zygote
b. Zygote -> meiosis -> gamete -> mitosis -> fertilization

, c. Mitosis -> meiosis -> gamete -> zygote -> fertilization
d. Meiosis-> gamete -> fertilization -> zygote -> mitosis
8. What correctly describes the difference between homologous chromosomes and sister
chromatids?
a. Homologous chromosomes contain genetic information from the same parent,
while sister chromatids are the same gene but from different parents
b. Homologous chromosomes are diploid, sister chromatids are haploid when
separated
c. Homologous chromosomes contain the same genes but each is from a different
parent, sister chromatids are identical copies of the same gene
d. Homologous chromosomes are the whole chromosomes from different parents,
sister chromatids is what is produced when homologous chromosomes are
separated after meiosis I
9. Which of these is an example of kinetic energy?
a. A rollercoaster reaching the top of a hill and is about to coast down
b. A baseball being caught by a catchers mitt
c. A car picking up speed when driving down to Phoenix
d. A picture frame hanging on the wall
10. Klinefelter syndrome is when an individual has the genotype XXY. What can you infer
about this?
a. This disorder is Sex-Linked
b. There was nondisjunction
c. This is an example of monosomy
d. 2 of the above
e. All of the above
11. Two alleles for a gene are sorted into different gametes. What law does this apply to?
a. Law of independent assortment (meiosis)
b. Law of segregation
c. Mendel's law of independent assortment
d. Random fertilization
12. Crossing over contributes to and produces .
a. Genetic diversity, recombinant chromosomes
b. Independent assortment, homologous chromosomes
c. Independent assortment, recombinant chromosomes
d. Genetic diversity, homologous chromosomes
e. None of the above
13. Pedigrees can be used to:
a. Eradicate a disorder
b. Analyze inheritance patterns of a trait

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