Lesson Plan class-10th

Topic-HereditySub Topic-Law of dominance

General objectives

• To develop the scientific attitude among students

• To inculcate leadership quality • Ability to ask questions• To develop habit of team work

SPECIFIC OBJECTIVES

• To impart the knowledge about heredity• Knowledge about variations in offsprings• To impart the knowledge about expressions of

inherited characters• Knowledge about dominance and recessive

nature of characters

Name the plants .

Are they alike?

What is difference between plant –A and Plant –B ?

Gregor Mendel

• Gregor Mendel was a priest from the mid 19th century who conducted experiments in his garden.

• Mendel is considered the “Father of Genetics!”

Seven traits of pea plant

Law of Dominance

• Every gene has two factors (alleles) that are responsible for a trait.

• One allele is dominant, meaning it will always express itself.

• One allele is recessive, meaning its expression will be hidden by the presence of the dominant allele.

Gregor Mendel

• Gregor Mendel was a priest from the mid 19th century who conducted experiments in his garden.

• Mendel is considered the “Father of Genetics!”

PRESENTATION BY TEACHER

• All the characters present in our body transferred from our parents. This transfer of characters from one generation to the another generation is known as heredity .e.g .colour of eyes , skin colour and height.

• Gregor John Mendel(1822-1884) has workedout on this topic.

• He chose pea plant for his work.

Group Formation And Activity

• Whole class is devided in to 4-5 groups • Each group comprises of six students • First three groups are assign to identify

straight and curly hair among themselves • Next three groups are provided with pea

seeds and asked them to separate smooth and wrinkled seeds

Feedback and assignments

• ………gave the law of dominance (Mendel/Hook)• Transfer of characters from one generation to another is

known as heredity /evolution .• Tallness In pea plant is dominant character (true/ false)• Shortness in pea plant is dominant character (true/ false)• Experiment was performed on ………. Plant• Match the columns• Heredity carrier of character• Dominance Transfer of character• Recessiveness Expressions of character• Factor Non Expressions of character

Home assignment

• Explain the law of dominance with example.• Define heredity. • Draw a cross between tall and short pea plant.• Who is known as the father of genetics?

Prepared by :-

Anisha Bhardwaj Maya SharmaPankaj DhimanSanjay SankhyanAnil KhajuriaDev Raj SharmaSusheel Kumar