Introduction to Genetics Answers

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?

What controls traits and inheritance?

Gregor Mendel’s research formed the basis of the field of

Some people have freckles, and some people do not have freckles. If a child has freckles, at least one parent has freckles. However, the child may have a sibling that does not have freckles. Which statement best describes the presence of freckles?

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

Which statement best describes an understanding of genetics that would be missing without the work of Mendel?

What is a gene?

What alternate form of genes do nucleic acids have that allows them to offer variability?

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?

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?