iRubric: A Chromosome Study rubric

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A Chromosome Study

Students will produce a karyotype of an unknown human. Students will match homologous chromosomes and arrange them in order from largest to smallest. Students will place the sex chromosomes last. Student's work is to be neat, well organized and readable.

Rubric Code: RA98B

By melindajackson

Ready to use

Public Rubric

Subject: Biology

Type: Project

Grade Levels: 6-8, 9-12, Undergraduate

A Chromosome Study
	None 0 pts	Poor 1 pts	Fair 2 pts	Good 3 pts
Homologous Chromosomes	None None of the chromosomes are paired with their homolog.	Poor Some of the chromsomes are paired with their homolog.	Fair Majority of the chromsomes are paired with their homolog.	Good All chromosomes are paired with their homolog.
# of Homologous Groups	None None of the twenty three groups of chromosomes exist and none of the autosomal paris are numbered.	Poor Some of the twenty three groups of chromosomes exist and some of the autosomal paris are numbered.	Fair Majority of the twenty three groups of chromosomes exist and majority of the autosomal paris are numbered.	Good All twenty three groups of chromosomes exist and all autosomal pairs are numbered.
Chromosome Arrangement	None None of the chromosomes are arranged from largest to smallest. Sex chromosomes are missing.	Poor Some of the autosomal chromosomes are arranged from largest to smallest. Sex chromosomes are mixed in with the autosomes or are missing.	Fair Majority of the autosomal chromosomes are arranged from largest to smallest with sex chromosomes included in the arrangement or are missing.	Good All autosomal chromosomes are arranged from largest to smallest with the sex chromosomes last.
Neatness	None Karyotype is not readable and organized. There is stray markings, paper tears, abnormal cuttings, or sticky tape.	Poor Karyotype is readable and organized. There is not stray markings, paper tears, abnormal cuttings, or sticky tape.	Fair	Good