Ruth Hutson Blue Valley High School Randolph, KS

Carrie Newdigger Mackville High School Mackville, KS

CHROMOSOME SMASH: COMPARING ONION WITH

WHEAT

OVERVIEW OF TODAY’S SESSION

➤ Assessing prior knowledge

➤ Making of a chromosome game

➤ Overview of Webquest

➤ Chromosome Squash Protocol

➤ Analysis of Results

➤ Elaborating on the Activity

➤ Evaluation

ASSESSING PRIOR KNOWLEDGE

MAKING OF A CHROMOSOME GAME

OVERVIEW OF THE WEBQUEST

CHROMOSOME SQUASH PROTOCOL

➤ Prior to today

➤ Pretreatment in ice water for 24 hours

➤ Fixation with Carnoy’s solution I

CHROMOSOME SQUASH PROTOCOL

➤ Today’s session

➤ Hydrolysis and Processing

➤ Staining

➤ Mounting

Onion (8) Hordeum vulgare (barley) (14) Secale cereale (rye) (14) Triticum urartu (red wild einkorn) (14) Triticum aestivum (bread wheat) (42) Durum wheat (28)

ANALYSIS OF RESULTS

ELABORATING ON THE ACTIVITY

Hordeum vulgare (barley) (14) Secale cereale (rye) (14) Triticum urartu (red wild einkorn) (14) Aegilops speltoides (goatgrass) (28) Triticum aestivum (bread wheat) (42) Durum wheat (28)

EVALUATION

QUESTIONS?

CONTACT US AT

➤Ruth Hutson: rhutson@usd384.org

➤Carrie Newdigger: newdiggerc@usd351.com