Curricular Resources > 1990 Volume VI > Unit 8 (90.06.08) > Section 12

Genetics

CONTENTS OF CURRICULUM UNIT 90.06.08

Unit Guide

“A Look Into the Past”

Grayce P. Storey

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LESSON PL ANS

I. MEIOSIS AND MITOSIS

Performance Objectives

1. After completing this unit the students will be able to distinguish the difference between meiosis and mitosis cell division.
2. They will be able to discuss each stage of mitosis.
3. The students will be able to discuss the difference in the germ cells of the Drosophilia melanogaster and the human being.

Vocabulary	Discussion
1. meiosis (see topic)	1. Meiosis cell division
2. mitosis (see topic)	2. Mitosis cell division
3. chromosomes	3. The 23 pairs of chromosomes
4. genetics		(where they come from)
Mitosis cell division	Meiosis cell division
(see drawing)	(Sex cells produced)

Interphase

1. Prophase Stage	XX—female	XX—female
2. Metaphase Stage	XY—male	X—male
3. Anaphase Stage	human beings	Drosophilia

4. Telophase Stage

melanogaster

II. HEREDITY

1. The students will do a library investigation on Gregor Mendel to be presented in class.
2. The students will do a classroom investigation on hereditary characteristics.
3. The students will do a field investigation at the Connecticut Agriculture Center to observe the growth of various plants.

Vocabulary
1. heredity

2. chromosomes

3. hybrid

4. genetics

5. traits

6. characters

7. gene

Materials
1. graph paper (3 sheets)

2. meter stick

3. pencil

Procedures On a graph the students will plot their height according to age and sex. The students will be put into groups of 4. The students will then use a meter stick to measure each others height, and record it on the graph paper according to sex and age. The students will then share the groups measurements with the class, the class will record the measurements according to age and sex. The teacher will record the same measurements on the board.
The students will try to justify the variances in the sex, ages, and heights genetically.

III. DISEASES

1. The students will use the library to write a report on one of the genetic diseases.
2. A resource person will discuss with the class three other genetic diseases of their choice.
3. The class will review the pedigree of all of the diseases.(see various diseases)

Genetic Diseases
1. Marfan Syndrome

2. Sickle-Cell Anemia

3. Brachydactyly

4. Hemophilia

5. Cystic Fibrosis

6. Thalassemia

Vocabulary
1. Hemophilia

2. Sickle-Cell Anemia

3. hemoglobin

4. trait

5. chromosome

6. gene

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