Bio Semester II Review (1 Of 3)

19 Questions | By JLovrien | Updated: Mar 20, 2022 | Attempts: 708

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1.

What do we call individuals that are heterozygous for a disorder, but do not have the disorder?
- A.
  
  Recessives
- B.
  
  Homozygous
- C.
  
  Phenotypes
- D.
  
  Carriers
2.

A phenotype of an organism…
- A.
  
  Represents its genetic composition.
- B.
  
  Occurs only in dominant pure organisms.
- C.
  
  Is the physical appearance of a trait.
- D.
  
  Cannot be seen.
3.

The founder of the theory of evolution by natural selection is…
- A.
  
  Gregor Mendel
- B.
  
  Jean Baptiste Lamarck
- C.
  
  Charles Darwin
- D.
  
  Carl Linnaeus
4.

The change in a species over time is known as…
- A.
  
  Mutation
- B.
  
  Natural selection
- C.
  
  Camouflage.
- D.
  
  Evolution
5.

Natural selection can best be defined as the…
- A.
  
  Survival and reproduction of the organisms that occupy the largest area
- B.
  
  Survival and reproduction of the organisms that are well-suited to the environment
- C.
  
  Elimination of the smallest organism by the biggest organisms.
- D.
  
  Survival of the biggest and strongest organisms in a population
6.

Natural selection causes the frequency of favorable alleles to…
- A.
  
  Increase in a population
- B.
  
  Decrease in a population
- C.
  
  Remain constant in a population
- D.
  
  Decrease and then increase in a population
7.

How many pairs of chromosomes do humans have?
- A.
  
  25 pairs
- B.
  
  23 pairs
- C.
  
  46 pairs
- D.
  
  22 pairs
8.

Who is considered to be the father of modern genetics?
- A.
  
  Charles Darwin
- B.
  
  Gregor Mendel
- C.
  
  Carl Linnaeus
- D.
  
  Hans Krebs
9.

A scientific name consists of both the…
- A.
  
  Class and order.
- B.
  
  Kingdom and phylum
- C.
  
  Genus and species.
- D.
  
  Family and class
10.

All plants are considered to be…
- A.
  
  Heterotrophs.
- B.
  
  Autotrophs
- C.
  
  unicellular
- D.
  
  Parasites
11.

An organism that is incapable of making its own food and therefore, must feed upon organic compounds produced by other organisms is known as a(n)…
- A.
  
  Autotroph.
- B.
  
  Protist
- C.
  
  Producer
- D.
  
  Heterotroph
12.

The chemical formula for glucose is…
- A.
  
  H14CO2
- B.
  
  C6H12O6
- C.
  
  C8H12O8
- D.
  
  H12O6C12
13.

The passing of traits from parents to offspring is called…
- A.
  
  Mitosis
- B.
  
  Heredity
- C.
  
  Maturation.
- D.
  
  Puberty
14.

In humans, the pelvis and femur (thigh bone) are involved in walking. In whales, the pelvis and femur are not used and are therefore…
- A.
  
  Vestigial structures
- B.
  
  Examples of fossils
- C.
  
  Examples of genetic variation.
- D.
  
  Acquired traits
15.

Which kingdom is comprised of unicellular prokaryotes that live in extreme conditions.
- A.
  
  Archea
- B.
  
  Eubacteria
- C.
  
  Protist
- D.
  
  Fungi
16.

Which kingdom is largely comprised of unicellular eukaryotes?
- A.
  
  Archaebacteria
- B.
  
  Protist
- C.
  
  Eubacteria
- D.
  
  Fungi
17.

A mother is a carrier and her husband is color-blind. What percentage of their daughters will be colorblind? What percentage of their sons will be colorblind?
- A.
  
  0; 0
- B.
  
  50; 0
- C.
  
  0; 50
- D.
  
  50; 50
18.

A heterozygous purple plant is crossed with another heterozygous purple plant. What percentage of their offspring will be purple (dominant)?
- A.
  
  0
- B.
  
  25
- C.
  
  50
- D.
  
  75
- E.
  
  100
19.

A purple-flowered, tall plant (AaBB) is crossed with a purple-flowered, short plant (Aabb). Out of 16 offspring, how many would you expect to be purple, tall?
- A.
  
  0
- B.
  
  4
- C.
  
  8
- D.
  
  12
- E.
  
  16

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Bio Semester II Review (1 Of 3)

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