Chapter 3-Genetics/ Sect



Chapter 3-Genetics/ Sect. 3 The Cell and Inheritance

AGENDA Mon. April 12, 2004

STUDENTS

1. Warm up 5 min

2. Discuss Roughdraft worksheet

3. Discuss Project Due April 21st 5 min

4. Review Workbook Chapter 3 Sect.2 15 min

5. Review Punnett squares and SpongeBob Genetics 30 min

CALIFORNIA STATE STANDARDS

1.0, 1.a, 1.c, 2.0, 2.b, 2.c, 2.d, 2.e, 7.0, 7.c, 7.d, 7.e

OBJECTIVES

• Describe the principles of probability and how Mendel applied them to inheritance.

• State how geneticists use Punnett squares

• Explain the meanings of the terms phenotype, genotype, homozygous, heterozygous, codominance.

TEACHER

1. Warm up

a. What was Mendel’s First generation of plants called?

b. Where those plants purebred or hybrid?

2&3. Discuss Project DUE APRIL 21st. Will check Roughdrafts’ during Potato lab tomorrow.

4&5. Review Punnett squares and SpongeBob worksheet!!!!

AGENDA Tue. April 13, 2004 and Wed. April 14, 2004

STUDENTS

1. Warm up 5 min

2. Potato Lab 40 min

PROJECTS DUE APRIL 21st !!!!!!!! (50 points)

CALIFORNIA STATE STANDARDS

1.0, 1.a, 1.c, 2.0, 2.b, 2.c, 2.d, 2.e, 7.0, 7.c, 7.d, 7.e

OBJECTIVES

• Describe the principles of probability and how Mendel applied them to inheritance.

• State how geneticists use Punnett squares

• Explain the meanings of the terms phenotype, genotype, homozygous, heterozygous, codominance.

TEACHER

1. Warm up

a. Patrick is heterozygous for Pink body color. Patti is a purebred and is also Pink. Yellow is recessive. What would their children look like?

b. What is the probability that all their children will be Pink?

2. Potato Lab – Baby genetics

a. Split class up into pairs.

b. Read Potato lab directions to class.

3. Look over roughdrafts and return.

AGENDA Thurs. April 15, 2004

STUDENTS

1. Warm up 5 min

2. Organize yourself for Presentations 10 min

3. Potato Baby Presentations ( 30 min

PROJECTS DUE APRIL 21st

CALIFORNIA STATE STANDARDS

1.0, 1.a, 1.c, 2.0, 2.b, 2.c, 2.d, 2.e, 7.0, 7.c, 7.d, 7.e

OBJECTIVES

• Describe the principles of probability and how Mendel applied them to inheritance.

• State how geneticists use Punnett squares

• Explain the meanings of the terms phenotype, genotype, homozygous, heterozygous, codominance.

TEACHER

1. Warm up

a. What where the genotypes in Mendel’s F2 generation of plants?

b. What type of pollination happened to get these plants?

2. Potato Baby Presentations!!!

AGENDA Fri. April 16, 2004

STUDENTS

1. Warm up 5 min

2. The Cell and Inheritance (Meiosis) 40 min

HW- Workbook Chapter 3 Section3

CALIFORNIA STATE STANDARDS

1.0, 1.a, 1.c, 2.0, 2.b, 2.c, 2.d, 2.e, 7.0, 7.c, 7.d, 7.e

OBJECTIVES

• Describe the role of chromosomes in inheritance.

• Identify and describe the events that occur during meiosis.

TEACHER

1. Warm up

a. What was the phenotype of Mendel’s F1 generation of plants?

b. Define- Meiosis

2. The Cell and Inheritance Lecture.

OVERHEAD TRANSPARENCIES and

Student Note Handout

Title: The Cell and Inheritance

carry the genetic information, and are found in the of the cell.

The genetic information itself is called .

Organisms contain TWO SEX CELLS that are called:

The cell and the cell.

In HUMANS, the total number of chromosomes found in SEX CELLS is . All other cells however contain .

When the and join they form a complete set of chromosomes.

Therefore, of the chromosomes come from the and come from the .

• The chromosome theory of inheritance states, genes are carried from parents to their offspring on chromosomes.

Chromosomes are made up of many genes that are joined together like beads on a string.

Although HUMANS only have pairs of chromosomes, each chromosome contains more than 60,000 GENES. Each gene controls a particular TRAIT (or Characteristic).

A chromosome pair

One chromosome One chromosome

came from the came from the

female male

Each chromosome in the pair has the same genes. The genes are also lined up in the same order on the chromosome.

What makes us ALL different, are the

for the genes. For example the organism has the “A” allele on one chromosome and the “a” allele on the other chromosome. Put them together and the organism is for this trait, while others traits it is .

Meiosis

The process by which the number of chromosomes is

Meiosis begins and every

chromosome in the cell is

copied. (just like in Mitosis)

Meiosis I (beginning)

Chromosomes line up in

the center of the cell.

End of Meiosis I.

Two new cells form, each with

HALF the number of chromosomes.

Each chromosome is double

stranded.

End of Meiosis II

Four cells are

produced. Each cell has

only half the number of chromosomes that

the parent cell had at the beginning of meiosis.

Meiosis begins with one cell. By the end of Meiosis II how many cells are formed?

carry the genetic information, and are found in the of the cell.

The genetic information itself is called .

Organisms contain TWO SEX CELLS that are called:

The cell and the cell.

In HUMANS, the total number of chromosomes found in SEX CELLS is . All other cells however contain .

When the and join they form a complete set of chromosomes.

Therefore, of the chromosomes come from the

and come from the .

• The chromosome theory of inheritance states, .

Chromosomes are made up of .

Although HUMANS only have pairs of chromosomes,

A chromosome pair

One chromosome came One chromosome came

from the female from the male

Each chromosome in the pair has the same . The genes .

What makes us ALL different, are the

for the genes.

Meiosis

The process by which the number of chromosomes is .

Meiosis begins

(just like in Mitosis)

Meiosis I (beginning)

End of Meiosis I.

End of Meiosis II

Meiosis begins with one cell. By the end of Meiosis II how many cells are formed?

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