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This activity was designed for blind learners, but all types of learners can have a tactile opportunity to construct a karyotype, an organized model of an organism’s chromosomes, conveying the chromos

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity (on pages 22-33), learners do the kind of work genetic scientists do, sorting and comparing (images of) genetic material strands called chromosomes.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look.

$1 - $5 per group Ages 11 - 18 1 to 7 days