Biology Exam

If a mutation introduces a new color, what would determine if the new allele increases?

What did Avery conclude caused transformation?

The Australian and American flying squirrels are very similar. This is most likely due to

Which of the following is a correct statement about the vents of the cell cycle?

Because of base pairing in DNA, the percentage of

Which is NOT true about extinction?

What regulates the expression of most eukaryotic genes?

In humans, some bones are involved in walking. In whales, these same bones are called

Which of the following assort independently

A polygenic trait can have

The Galapagos finch species are an excellent example of

Although they live in the same habitat, 2 toad species breed at different times. This means

The structures labeled B in figure 10-1 are called the

Biogeography is the study of

When during the cell cycle does the cell grow larger and add more organelles?

Linked genes

Fossilized evidence of Earth's first forms of life would consist of

During-division a parent cell has 4 chromosomes will produce 2 daughter cells each containing

In contrast to Linnaean taxonomy, cladistic analysis considers only which kind of traits?

The kingdom that contains unicellular organisms that live in very hot or salty enviroments is

1 difference between cell division in plant cells and in animal cells is that plant cells have

Darwin called the ability of an organism to survive and reproduce in its specific environment

On the Galapagos Islands, Charles Darwin observed

What principle does the Grants' investigation of finches best support?

An advantage of sexual reproduction over asexual reproduction is that sexual reproduction

All speckled (black and white) offspring (BW). This type of inheritance is known as

The structure labeled A in figure 10-1 is called the

Why is the kingdom “Protista” NOT a clade under evolutionary classification?

According to the cladogram, which is TRUE?

The possibility of flipping a coin twice and getting two heads is

Gametes have

Most fossils are found in

All organisms in the kingdoms Protista, Fungi, Plantae, and Animalia are

Crossing - over occurs during

Why did Thomas Hunt Morgan use fruit flies in his studies?

At any level of organization, groups that have biological meaning are referred to as

Which Stage of the cell cycle is the longest?

Darwin's theory of evolution by natural selection explains each of the following EXCEPT how

What principle states - alleles for each gene - each gamete carries 1 allele for each gene?

The surface area to volume ratio

Which is an example of a totipotent cell?

Which of the following statements must be true for a clade to survive?

James Hutton's and Charles Lyell's work suggests that

According to the results of our diffusion and cell size lab with agar cubes and vinegar

Which of the following clades is most likely to survive a series of catastrophic events?

The genes carried by all members of a particular population make up the population's

Which event occurs during interphase?

Which is the correct order of the phases of mitosis?

For 2 heterozygous (RrYy), how many different phenotypes are their offspring expected to show?

Hox genes

A promoter is a

The economist Thomas Malthus suggested that

During which phase in the cell cycle does mitosis happen?

To compare the relative ages of rocks, scientists use a widespread and easily recognizable

The species of finches that Darwin found on the different islands varied in what adaptation?

What is one new technology that could make stem cell research less controversial?

Molecular evidence in support of natural selection includes

Speciation is an example of

Which of the following can produce a duplicate gene?

Which type of regulatory protein helps speed up or slow down the cell cycle?

In eukaryotes, DNA

During eukaryotic transcription, the molecule that formed is

A plant evolves a high level of poison and the insect that eats it evolves a defense. This is

Often, the second part of a scientific name is

What is shown in figure 11-1?

What would Hershey & Chase have concluded if radioactive 32P & 35S were found in their exprment

The endosymbiotic theory says that eukaryotic cells

DNA replication results in two DNA molecules,

In eukaryotic cells, the timing of the cell cycle is regulated by

Which is TRUE about the Miller and Urey experiments?

if a pea plants genotype for height is tt,(T is tall) what is true of its parents?

Gradualism is a pattern of evolution in which

The two kingdoms composed of only unicellular organisms are

How would you give an age of a sample of rock that you think is one of the oldest on Earth?

What are some characteristics of polyploidy plants?

The allele frequencies of a population are more likely to change if

An example of a trait determined by multiple alleles is

A change in the genetic material of a cell is called a

What is produced during transcription?

Which kingdom contains heterotrophs with cell walls of chitin?

Which is an advantage of having a cell's DNA bundled into separate chromosomes?

What does a cladistic analysis show about organisms?

During translation, the type of amino acid that is added to the growing polypeptide depends on

In figure 12-2, what is adding base pairs to the strand?

Variation in human skin color is an example of

The separation of populations by barriers such as rivers, mountains, or bodies of water is

The type of genetic drift that follows colonization of a new habitat by a small group is called

Which part of bacteriophage in Figure 12-1 is the genetic material?

The Galapagos finches are an example of

The farther apart two genes are located on a chromosome, the

In the pun. square Which of the following is true about The Offspring resulting from the cross?

The basic divisions of the geologic time scale, from larger to smaller, are

What do bacteriophages infect?

A single-gene trait that has two alleles and shows a simple dominant-recessive pattern will

Modern fish called coelacanths are almost identical to their fossils. This species evolved by

Earth’s early atmosphere was made of mostly

Which of the following is a possible future benefit of stem cell research?

When a farmer breeds only his or her best livestock, the process involved is

The principle of common descent helps explain why

What process would most likely be the reason for a fossil being found on 2 continents?

According to the rules of binomial nomenclature, which is capitalized?

Genetic recombination includes the independent movement of chromosomes during meiosis and

Which of the following are found in both DNA and RNA?

Which scientist made x-ray diffraction photos of DNA?

The fossil record shows

What cell structures contain DNA that can be used to determine evolutionary relationships?

What does the presence of similar DNA sequences in the genes in very different organisms imply?

In a population, the allele frequency for red fur changes from 20 to 30%. What happened?

Compared to small cells, large cells have more trouble

Why are stem cells important?

The length of time required for half of radioactive atoms to decay is

Sexual reproduction contributes to genetic diversity by allowing

Which nucleotide in Figure 13-1 indicates the nucleic acid above is RNA?

If an organism's diploid number is 12, its haploid number is

According to Darwin's theory of natural selection, some individuals survive due to the

Which of the following happens when a cell divides?

When during the cell cycle are chromosomes able to be seen under the light microscope?

Humans cells have the diploid number of

One scientific hypothesis about the origin of life holds that

The number and location of bones in fossils is similar to living vertebrates. This supports

There are 64bcodons and 20 amino acids, which of the following is true?

The name for programmed cell death is

The grouping of organisms based on their common descent is called

Darwin's concept of natural selection was NOT influenced by

There is much variation in offspring due to

If a pea plant has one recessive allele or green peas, its Offspring will

Later in the development, the cells become specialized through a process called

Who won the Noble Prize for the double helix structure of DNA?

One reason common names (not scientific names) are difficult to use is that they

To be useful as an index fossil, a species must have existed for a

A gene map shows

In genetic drift, the allele frequencies in a gene pool change because of

What do Hox genes control?

The divisions of the Geologic Time Scale

When classifying organisms, a monophyletic group includes one