Duplicate of Semester 2 Final Uncut Version

What is the evidence that shows we are descendants from a single female from Africa named Eve?

The male peacock displaying his feathers

When does speciation occur the fastest?

What is the problem with this karyotype?

Nucleotides are

Until the 1700's, most people believe the Earth was

Which is NOT a principle for natural selection?

Humans hunted whales. The population went from 25,000 to 440.

Meiosis I separates

Genes are not shared during

A purple, heterozygous flower (Pp)was made from a purple flower and white flower. Pp is the

When did the first life appear on Earth?

The Grand Canyon would cause

Current evidence, such as DNA evidence, shows that homo sapiens originated in

Where is mRNA made?

Mendel's law which states homologous chromosomes separate randomly during meiosis

The cells created at the end of meiosis are ______________.

What type of inheritance pattern is shown in this cross?

This type of selection

This picture shows

Female on the left; male on the right

A codon is

Organisms that have two identical alleles for a gene.

Fitness depends on

This type of mutation will not change the amino acid.

In a gene, these are the different forms:

Which of the following is heterozygous?

This type of selection

In Earth's early atmosphere, which molecule was not present?

In a group of mice, some are nocturnal and some are diurnal. This can lead to

Organisms that have two different alleles for a gene.

What is the 23rd pair of chromosomes in humans?

What percent of offspring will be expected to be blue?

Different mating calls can lead to

The purpose of sexual selection is to

What carries an amino acid to its correct codon?

Major driving force for evolutionary changes is

Limited resources leads to

This type of selection

In this Punnett Square, what percentage of offspring are homozygous recessive?

The purpose of meiosis is to

During meiosis, which creates variation?

Which are homologous chromosomes?

What is usually the cause mass extinctions ?

Darwin observed ____________ matched ______________ on the Galapagos.

The person who had very similar ideas as Charles Darwin was

Which of the following is the purpose of meiosis?

What is one half of the typical "X" structure of a chromosome?

A hurricane kills all but 15 butterflies

RNA differs from DNA because RNA

Which order describes protein synthesis

Which trait will help with survival in changing environments?

What is a molecular clock?

What determines traits?

A purple, heterozygous flower (Pp)was made from a purple flower and white flower. Purple is the

In this Punnett Square, what fraction of offspring are heterozygous?

All individuals have how many copies of each gene?

Mutations are important for

Sunflower color is determined by a gene. The colors are yellow and white . "Yellow" & "white" are different

What are the spliced sections of mRNA that are useful and leave the nucleus ?

How old is the Earth?

This picture shows

What does C represent?

Humans are different than monkey's because humans

The process in transcription where the DNA complex falls off is referred to as

What is the nitrogen base only found in RNA?

One piece of evidence that shows when oxygen was present in Earth's early atmosphere was

The evolution of a new species

What type of inheritance pattern is shown in this cross?

Which #'s would be involved with crossing over?

What is "fertile" offspring?

Which adapts to the environment?

Being colorblind is a recessive X-linked trait. What is D?

The "rungs" or "steps" of the DNA ladder are

The liger is a

If smooth peas are dominant over wrinkled. The symbol for smooth is "S". What is the symbol for the wrinkled be?

Male giraffes fighting

Each of the islands in the Galapagos Islands had different

Homo Erectus was