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Specimens
Applied Filters
Filters
Applied Filters
Ward's® Introduction to Genetics: A Monohybrid Cross in Yeast Lab Activity
A quick and colorful demonstration of Mendel’s Law of Segregation.
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Rhizopus stolonifer (nigricans) (-)
Zygomycete. Common black bread mold. Lab contaminant. Mating strain, cross with Rhizopus stolonifer (nigricans) (+) to produce zygospores. Incubation temperature 25°C. Potato dextrose agar growth medium.
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Saccharomyces cerevisiae
Ascomycete. Host for rDNA. Incubation temperature 30°C. Sabouraud dextrose/YM agar growth medium.
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Penicillium notatum
Penicillium notatum is a deuteromycete that produces penicillin. It is available in normal and high-yield strains.
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Ward's® Lichen Types
One each of foliose, crustose, and fruticose lichen. The foliose and crustose lichens are any of a wide variety of species; the fruticose lichen is either cladonia or reindeer moss. All samples are field-collected and come in a 4 oz. labeled jar.
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Coprinus cinereus
Basidiomycete. Inky-capped mushroom. Jar culture. Incubation temperature 30°C. YM/rabbit dung agar growth medium.
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Saccharomyces cerevisiae var. ellipsoides
Ascomycete. Wine yeast: Used in fermentation activities. Incubation temperature 30°C. Sabouraud dextrose agar growth medium.
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Saccharomyces cerevisiae
Ascomycete. Baker’s yeast. Reproduction by budding. Incubation temperature 30°C. YM agar growth medium.