Spanish Vocab (office)

In a very small population of birds, assume 5 out of 20 alleles are the type that code for blue feathers. What is the allele frequency of the "blue feather allele" in this population?

0.25

in a restricted population of wild horses, 357 of them have a dominant trait of long manes while 143 have the recessive short names. What is the expected number of herterozygotes?

?

Which trait is the best example of an adaptation ?

A mutation resulting in a heat-resistant enzyme in a bacterium living in a hot spring

Which of the following is most likely to experience genetic drift?

A population of endangered birds that includes only 5 individuals

The Gene pool for a particular gene is made up of...

All the genes that occur in the population

Zoos often loan animals to other zoos for breeding purposes. From an evolutionary standpoint, what is the benefit?

It increases the genetic diversity of the zoo's population

Within a large population, if no mutations occur, no migration occurs, all matings are random, and each individual has an equal chance of reproducing, which of the. following will probably happen?

No evolution will occur

Which of the following mutations would increase evolutionary fitness?

One that increases the frequency of successful reproduction

A population carries two alleles for a trait in which T is dominant and t is recessive. In the Hardy-Weinberg equation, 2pq represents the...

Proportion of heterozygous individuals

If the tallest and the shortest individuals of a population of humans do not survive and reproduce as well as the individuals of "average" height, Which type of selection would most likely result?

Stabilizing Selection

Shrews have been documented to travel across frozen lakes and establish populations on previously uninhabited islands. This is an example of..

The founder effect

Suppose a popular mostly sand-colored crabs migrates from a sand beach to a pebble beach and evolves a darker, speckled coloration that closely resembles the pebble beach. This is an example of...

directional selection