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Sexual reproduction increases genetic variation in a population. Which is a way that meiosis and fertilization lead to genetic variation?
The following chart shows the number of 2n chromosomes in various organisms.
Which series lists the number of chromosomes in each gamete (sex cell) of a mosquito, corn, a human, and a dog?
Cells and the organisms they make up reproduce through cell division. Some organisms reproduce through mitosis, while others reproduce through meiosis and fertilization. What advantage does meiosis give to organisms that reproduce sexually?
A biological process is represented in the diagram below.
Which of the following concepts is best illustrated by the diagram?
Select ALL of the following that are differences between Meiosis I and Meiosis II (3 answers).
Meiotic cell division results in gametes that produce sperm and egg cells by
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?
Crossing-over contributes to the recombination of genetic material in offspring. When does crossing-over happen during meiosis?
Which statement best explains the significance of meiosis in helping to maintain continuation of a species?
Which diagram below illustrates fertilization that would lead to development of a normal human female?
Meiosis is necessary for reproduction to occur.
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.
According to this diagram, the result of spermatogenesis is four sperm cells, each with
Select ALL of the following that do not explain how mitosis and meiosis are similar. (3 choices)
A cell with 24 chromosomes undergoes mitosis twice. How many chromosomes will each daughter cell have?
Which of the following cell types are produced by meiosis?
Which statement describes a cell formed as a result of mitosis?
The cell cycle is a repeating sequence of cellular growth and division during the life of an organism. Which of the following is not a true statement concerning cell division of body cells?
Why is meiosis needed in animals?
A liver cell in a horse has 64 chromosomes. What is true about a muscle cell and an egg cell from this horse?
Select ALL of the following that are not advantages of reproducing sexually instead of asexually.
What is the purpose of Mitosis?
What are the differences between meiosis II and mitosis?