2. Meiosis Post test

Sexual reproduction increases genetic variation in a population.  Which is a way that meiosis and fertilization lead to genetic variation?

Which diagram best represents part of the process of sperm formation in an organism that has a normal chromosome number of eight?

Two gametes containing 20 chromosomes fuse during fertilization.  How many chromosomes will the zygote cell contain?

Select ALL of the following that are differences between Meiosis I and Meiosis II (3 answers).

Select ALL of the following that are characteristics of meiosis (2 answers).

Meiotic cell division results in gametes that produce sperm and egg cells by

Select ALL of the following that are characteristics for Meiosis (4 answers).

During meiosis, homologous chromosomes line up next to each other.  In some cases, one arm of a chromatid crosses over the arm of another chromatid.  What is the result of this process?

Genetic variation can increase the pace of evolution.  Which would most likely increase genetic variation in a population?

Which statement best explains the significance of meiosis in helping to maintain continuation of a species?

Which describes how meiosis helps maintain an organism’s chromosome number over generations?

Reproduction by meiosis causes each one of the four sex cells that result to have                                         combination of DNA.

Match the following definitions with their correct term.

Agricultural scientists develop a way to insert a third chromosome into the diploid body cells of a watermelon plant to create a seedless fruit.  How could this extra chromosome affect watermelon offspring?

Match the following descriptions of Meiosis 1 with their correct phase.

Match the following descriptions of Meiosis II with their correct phase.