Cumulative Exam — Cumulative exam Answers

The allele for curly hair is incompletely dominant. If a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents?

Which statement describes the offspring of the F1 generation when crossing a pea plant that is true breeding for green seeds with a pea plant that is true breeding for yellow seeds?

How did the discovery of the rhesus factor affect society?

Which was not a result of the 1898 discovery of the four blood types and advances made during the two World Wars?

During an experiment, a scientist crosses a pea plant that has purple flowers with a pea plant that has white flowers. The plants that result from this cross in the F1 generation have both purple and white flowers. What can the scientist conclude?

A scientist wants to examine a genetic disease in humans. The scientist hypothesizes that the disease can be treated by using gene therapy. Humans take a long time to reproduce and develop, so the scientist will have to

As DNA is replicated, which DNA base pair will bond to cytosine?

Which statement describes Mendel’s hypotheses regarding gametes?

Which represents polygenic inheritance of traits?

Which of the following incorrectly matches the term with its location?

The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. Green pods are the dominant trait. The flowchart is missing the labels that describe the traits.In which squares should the phrase “Green pods” appear?

The table below summarizes Mendel’s results for the F2 generation.Mendel’s ResultsPlant height787 tall277 shortFlower color705 purple224 whitePod color428 green152 yellowPod shape882 inflated299 constrictedSeed color6,022 yellowx greenSeed shape5,474 smooth1,850 wrinkledWhat number should replace the letter x in the “Seed color” row?

Which best describes the outcome of DNA replication?

In 1953, who developed the model that is shown below?

The endosymbiotic theory helps to explain the origin of which structures?

If the same base pairs are used to code for all organisms, why is there so much variation among organisms?

Which is the best example of a hypothesis leading to new experimental methods?

Which has the most control of traits and inheritance?

What was Marshall Nirenberg and Heinrich Matthaei’s contribution to our current understanding of the genetic code?

Scientists often use fruit flies as a method to test hypotheses about human genes. Why are fruit flies advantageous in the study of human inheritance?