Unit 4 Genetics


By taking on the role of a geneticist, students will be able to relate the mechanisms by which traits are passed from one generation to the next through the inheritance of genes and chromosomes, what determines whether a trait will appear in an individual (genotype, dominant/recessive) or a generation (probabilities), and how this process can potentially be controlled (selective breeding). The students will also understand that organisms can reproduce both sexually and asexually.

Focus Standard(s):

S7L3. Students will recognize how biological traits are passed on to successive generations.
a. Explain the role of genes and chromosomes in the process of inheriting a specific trait.
b. Compare and contrast that organisms reproduce asexually and sexually (bacteria, protists, fungi, plants & animals).
c. Recognize that selective breeding can produce plants or animals with desired traits.

Supporting Standard(s):

S7L4. Students will examine the dependence of organisms on one another and their environments.

c. Recognize that changes in environmental conditions can affect the survival of both individuals and entire species.

S7L5. Students will examine the evolution of living organisms through inherited characteristics that promote survival of organisms and the survival of successive generations of their offspring.

a. Explain that physical characteristics of organisms have changed over successive generations (e.g. Darwin’s finches and peppered moths of Manchester).

b. Describe ways in which species on earth have evolved due to natural selection.