L10. Gametes and fertilisation

• Bio
• Secondary Education
• Age 13

Lesson 10

Gametes and fertilisation

03-10-2022

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• explain what a gamete is
• describe the male and female gametes of humans
• define fertilisation

Success Criteria

Language 

development

• sperm cell
• egg cell
• gametes
• fertilisation

Know the keywords

• zygote
• inheritance
• sex inheritance 
• parent
• offspring

• How many different kinds of animal cells can you think of?
• What features do they all share?
• Can you describe how some of them are adapted for their functions?

Questions and A

www.scienceonthenet.eu

What two cells did you see in the picture?

STRUCTURE OF SPERM CELL

containing 23 chromosomes

STRUCTURE OF EGG CELL ( OVUM )

What is fertilisation? What two cells are involved in the process?

• What are the two sex chromosomes in humans?
• Human male has __ __ sex chromosomes.
• Human female has __ __ sex chromosomes.

Question & A

www.genome.gov

Table Completion

• Group work
• complete the comparison table of egg and sperm cells (with the idea of sex chromosomes)
• present your work

HEC (Hypothesis, Evidence, Conclusion)

• Complete the hypothesis part of the HEC worksheet.

What the HEC!

Self - Evaluation: Choose the one(s) that apply (ies) to you.
1 - I know what I'm learning.
2 - I did what I supposed to do today.
3 - I recognize why I'm learning and doing this.

1

2

3

1 and 2

2 and 3

1 and 3

All 3