1|Pag e
BIOL-1033 EXAM 4|| LATELY UPDATED
QUESTIONS AND 100% CORRECT ANSWERS
ALREADY GRADED A+|| LATEST AND COMPLETE
UPDATE 2024 WITH VERIFIED SOLUTIONS||
ASSURED PASS!!!
The human blood type AB in which both the A antigen and the B antigen are found
embedded in the blood cells is an example of - ANSWER: Codominance
An X-linked gene is - ANSWER: a gene on the X chromosome
A man and a woman are both heterozygous carriers for the recessive allele that
causes cystic fibrosis. What is the probability that they will have an offspring who
has cystic fibrosis? - ANSWER: 25%
All the offspring of a cross between a red-flowered plant and a white flowered
plant have pink flowers. This means that the allele for red flowers is _______ to
the allele for white flowers. - ANSWER: incompletely dominant
The origin of mitochondria in a eukaryotic cell is explained by - ANSWER:
Endosymbiosis of an aerobic bacterium
Which would be most likely to be fossilized? - ANSWER: a common thick-
shelled crustacean
You uncovered a fossil that you suspect is around 100 million years old. Which of
the radioisotope pairs in the table could you eliminate as an appropriate choice for
radioisotope dating the accompanying rock? - ANSWER: Carbon-14/Nitrogen-14
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The Earth's atmosphere has changed a lot over the past 4 billion years. One big
change was due to photosynthetic organisms. Their photosynthesis increased the
amount of what atmospheric gas? - ANSWER: Oxygen (O2)
The first living cells were most likely - ANSWER: Anaerobic prokaryotes
The process by which the major land masses have shifted their positions, changed
shapes and separated from each other, is known as - ANSWER: Continental drift
(plate tectonics)
The likelihood of allopatric speciation increases when a splinter population is
__________ and __________ the broader range of the species. - ANSWER: Small
; isolated from
Today there are 54 different honeycreepers in Hawaii. The ancestor of the
honeycreepers was the European rosefinch. The evolution of many species of
honeycreeper is the result of - ANSWER: Adaptive radiation
During the Beagle journey, Darwin visited islands, allowing him to compare island
species with continental species. In terms of framing his theory of evolution, why
was this significant? - ANSWER: Because the island species had both similarities
to their continental ancestors and unique adaptations to their island environments.
Which scenario best illustrates the process of natural selection? (See image to
right) These 3 breeds of dogs are the result of - ANSWER: artificial selection (
selective breeding)
What field of study uses geographic distribution of extinct and living species to
determine patterns of evolution? - ANSWER: Biogeography
BIOL-1033 EXAM 4|| LATELY UPDATED
QUESTIONS AND 100% CORRECT ANSWERS
ALREADY GRADED A+|| LATEST AND COMPLETE
UPDATE 2024 WITH VERIFIED SOLUTIONS||
ASSURED PASS!!!
The human blood type AB in which both the A antigen and the B antigen are found
embedded in the blood cells is an example of - ANSWER: Codominance
An X-linked gene is - ANSWER: a gene on the X chromosome
A man and a woman are both heterozygous carriers for the recessive allele that
causes cystic fibrosis. What is the probability that they will have an offspring who
has cystic fibrosis? - ANSWER: 25%
All the offspring of a cross between a red-flowered plant and a white flowered
plant have pink flowers. This means that the allele for red flowers is _______ to
the allele for white flowers. - ANSWER: incompletely dominant
The origin of mitochondria in a eukaryotic cell is explained by - ANSWER:
Endosymbiosis of an aerobic bacterium
Which would be most likely to be fossilized? - ANSWER: a common thick-
shelled crustacean
You uncovered a fossil that you suspect is around 100 million years old. Which of
the radioisotope pairs in the table could you eliminate as an appropriate choice for
radioisotope dating the accompanying rock? - ANSWER: Carbon-14/Nitrogen-14
, 2|Pag e
The Earth's atmosphere has changed a lot over the past 4 billion years. One big
change was due to photosynthetic organisms. Their photosynthesis increased the
amount of what atmospheric gas? - ANSWER: Oxygen (O2)
The first living cells were most likely - ANSWER: Anaerobic prokaryotes
The process by which the major land masses have shifted their positions, changed
shapes and separated from each other, is known as - ANSWER: Continental drift
(plate tectonics)
The likelihood of allopatric speciation increases when a splinter population is
__________ and __________ the broader range of the species. - ANSWER: Small
; isolated from
Today there are 54 different honeycreepers in Hawaii. The ancestor of the
honeycreepers was the European rosefinch. The evolution of many species of
honeycreeper is the result of - ANSWER: Adaptive radiation
During the Beagle journey, Darwin visited islands, allowing him to compare island
species with continental species. In terms of framing his theory of evolution, why
was this significant? - ANSWER: Because the island species had both similarities
to their continental ancestors and unique adaptations to their island environments.
Which scenario best illustrates the process of natural selection? (See image to
right) These 3 breeds of dogs are the result of - ANSWER: artificial selection (
selective breeding)
What field of study uses geographic distribution of extinct and living species to
determine patterns of evolution? - ANSWER: Biogeography
