AP BIO unit 5 quiz

Which of the following statements best completes the student's chi-square goodness-of-fit test?

1.53, and the null hypothesis cannot be rejected.

A couple has 5 children, all sons. If the woman gives birth to a sixth child, what is the probability that the sixth child will be a son?

1/2

If 2n = 48 for a particular cell, then the chromosome number in each cell after meiosis would be

24

Which of the following represents a cross between a white-eyed female and a red-eyed male?

D

The following distribution of traits was observed in the offspring.

Genes...located close

A blue-flowered African violet of unknown ancestry self-pollinated and produced 50 seeds. These seeds germinate and grow into flowering plants. Of these plants, 36 produce blue flowers and 14 produce pink flowers. What is the best explanation for the pink-flowered offspring?

Pink flower color is a trait

Which of the following conclusions is best supported by the results of the breeding experiments?

The completely

The expression of this trait is most likely due to which of the following?

autosomal recessive inheritance

The diagram above illustrates which of the following processes?

crossing over

During prophase I replicated homologous chromosomes pair up and undergo synapsis. What testable question is generated regarding synapsis and genetic variability by Figure 1 ?

is the distance

Scientists have found that DNA methylation suppresses crossing-over in the fungus Ascobolus immersus. Which of the following questions is most appropriately raised by this specific observation?

is the level

All of the following are true statements about meiosis in mammals EXCEPT:

it produces four

Which of the following is the most likely explanation of the results?

linked to an autosome

Which of the following observations about inheritan in pea plants could be explained only after the discovery that genes may be linked on a chromosome?

most offspring