Duplicate of Unit 4-8 complete study guide for final

Based on Chargaff’s rule, the percentages of guanine bases in chicken DNA should be around

What enzyme adds DNA to the end of chromosomes in rapidly dividing cells to prevent genes from being lost in replication

What percentage of human sperm cells carry an X chromosome?

Area “X” of Figure 12–2 shows the structure Of

The situation in which allele frequencies in the gene pool of a population remain constant is called

How does an area’s weather differ from the area’s climate

Ideally, sustainable development should

Carbon cycles through the biosphere in all of the following processes EXCEPT

How is parasitism different from commensalism?

A mutation that involves one nucleotide is called

The Punnett square in Figure 11–2 shows that the gene for pea shape and the gene for pea color

In what way are herbivores and carnivores alike?

The goals of biodiversity conservation include all of the following EXCEPT

What adds base pairs to a DNA strand during replication?

What is formed at the end of meiosis?

Variation in human skin color is an example of

A farming community in Texas covers 14² kilos. There are 420 people who live there. What is the population density

Each node, or point at which a branch splits, on a evolutionary tree represents

Which of the following are found in both DNA and RNA

How many nucleotides are needed to specify three amino acids

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

What is produced during transcription

When the exponential phase of a logistic growth curve of a population comes to an end

Is Species A more closely related to Species B or Species C

Colorblindness is more common in males than in females because the allele for colorblindness is

Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell

Only 10% of the energy stored in organisms can be passed to the next trophic level. Some excess energy is..

People who are heterozygous for sickle cell disease are generally healthy because they

One allele is for black feathers, one for white feathers. if a chicken shows codominance.....

Which of the following statements is NOT true about the open ocean

Which density-dependent factors other than the predator/prey relationship affected the populations of moose and wolves?

What would happen if the population of the bird species shown in the ecosystem in Figure 4–1 were to suddenly decrease?

The algae at the beginning of the food chain are

How do most primary producers make their own food

What does analyzing an evolutionary tree tell scientists about organisms?

Gametes are produced by the process of

In what way is DNA like a book?

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

The movements of energy and nutrients through living systems are different because

helping family members survive increases chances that some of one’s genes will be passed along to offspring is called

If nondisjunction occurs during meiosis,

Which are two ways a population can decrease in size

Which is an example of how biotic and abiotic factors interact?

Darwin noticed that many organisms seemed well suited to

Why is an organism’s niche like a person’s occupation?

Genes contain instructions for assembling

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

Corn planted in a field that has been previously planted with legumes and then plowed under is likely to be

DNA replication results in two DNA molecules,

Specialized cells regulate the expression of genes because they

Which of the following is a density-independent limiting factor

Each pea-plant gamete has how many alleles for the height gene?

The principles of probability can be used to

In humans, the pelvis and femur, or thigh bone, are involved in walking. In whales, the pelvis and femur shown below are

Each of the following is a condition necessary for natural selection to occur EXCEPT

Similar DNA sequences in genes can be evidence of

What is the term for each step in the transfer of energy and matter within a food web?

Which of the following is true

What happens during translation?

Which of the mutations shown in Figure 13-5 is a deletion mutation?

When Mendel crossed true-breeding tall plants with true-breeding short plants, why was it impossible to view segregation

A heterozygous tall pea plant is crossed with a short plant. The probability that an F1 plant will be tall is

When Gregor Mendel crossed a tall plant with a short plant, the F1 plants inherited

There are alleles for red hair and white hair. What would a roan bull look like if the trait showed incomplete dominance

Darwin first began to formulate his concept of evolution by natural selection after

Gregor Mendel’s principles of genetics apply to

Which factor might NOT contribute to an exponential growth rate in a given population

What goes in Box 5 of the food web in Figure 3–2?

The frequency of phenotypes for a typical polygenic trait is most often illustrated as

During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases

Which of Mendels principles next explain the following situation?

In the Punnett square shown in Figure 11–1, which of the following is true about the offspring resulting from the cross?

Genetic drift tends to occur in populations that

Two sources of genetic variation are

Which of the following descriptions about the organization of an ecosystem is correct?

Most mutations

How many chromosomes are shown in a normal human karyotype?

In eukaryotes

Which of the following statements correctly describes Chargaff’s contribution to the study of DNA?

Which is the correct sequence of the transfer of information in most organisms?

a dairy farmer chose to breed the cows that give the most milk in the herd, the farmer is following the principle of

Natural selection acts directly on

If a population grows larger than the carrying capacity of the environment, which of these is most likely to happen?

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

As DDT moves up the trophic levels in food chains or food webs its concentration

The geographic isolation of two populations of a species tends to increase differences between their gene pools because