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- Grade Range
- 9th
- Rating

In this biology worksheet, students create one chromosome using a red plasticine and another using blue plasticine. Then they illustrate different ways of crossing over, including double crossovers. Students also explain genetic variability.
Full Review »- Grade Range
- 9th
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In this reproduction worksheet, students use the clues given on page two to solve and complete the crossword puzzle. They determine the event that leads to genetic disorders where there are too many or too few chromosomes. Students also explain the process where chromosomes are tagged during gamete formation.
Full Review »- Grade Range
- 9th
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In this chromosomes worksheet, students read a brief excerpt that explains the differences between human and animal chromosomes and how they are categorized. Then they identify the similarities and differences of the sex chromosomes of a normal male and normal female. Students also explain how homologues are alike.
Full Review »- Grade Range
- 6th - 7th
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In this science worksheet, students complete 2 sentences about chromosomes and DNA. Students also list the 4 bases that have "special names." Full Review »
- Grade Range
- 9th - 12th
- Rating

In this genetic change worksheet, students will explore the changes that can occur in DNA including point mutations and chromosomal mutations. This worksheet has 11 multiple choice questions.
Full Review »- Grade Range
- 9th - Higher Ed
- Rating

In this meiosis worksheet, students will compare chromosome numbers from different organisms, review the phases of meiosis, and learn how meiosis leads to genetic variation. This worksheet has 14 fill in the blank, 5 matching, and 6 true or false questions.
Full Review »- Grade Range
- 9th - 10th
- Rating

In this meiosis worksheet, student complete the blanks describing the process of meiosis. Students draw a diagram of homologous chromosomes.
Full Review »- Grade Range
- 9th - Higher Ed
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In this chromosomes worksheet, students understand the make up of a DNA molecule and compare the different ways chromosomes are connected. This worksheet has 35 fill in the blank questions and 6 drawings.
Full Review »- Grade Range
- 7th - 8th
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In this inheritance worksheet, students create Marshan using marshmellows. Students use the chromosomes from their Marshan to fill in a data table with the genotype and phenotype. Students answer questions about their Marshan.
Full Review »- Grade Range
- 9th - Higher Ed
- Rating

In this chromosomes worksheet, students compare the chromosome numbers for different animals and complete 2 graphic organizers with this information. Students compare autosomes and sex chromosomes. This worksheet has 3 graphic organizers, 6 fill in the blank, and 5 short answer questions.
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