New cells have the same number of chromosomes are parent
Happens in skin cells
Two divisions occur
Identical cells are formed
Two new cells are formed as a result
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Slide 1: Drag question
BiologyUpper Secondary (Key Stage 4)GCSE
This lesson contains 45 slides, with interactive quizzes and text slides.
Lesson duration is: 50 min
Items in this lesson
Mitosis
Meiosis
Genetic Mixing happens
New cells show variation
Gamete production occurs
New cells have the same number of chromosomes are parent
Happens in skin cells
Two divisions occur
Identical cells are formed
Two new cells are formed as a result
Slide 1 - Drag question
What is the gap between neurones called?
What hormone is released by the testes?
What is meant by extinction?
What is genetic engineering?
Syntax
Synapse
Adrenaline
Testosterone
No individuals in a species still alive
One or two individuals in a species still alive
Modifying the genome
Fixing the genome
Slide 2 - Drag question
Slide 3 - Slide
Slide 4 - Slide
Slide 5 - Slide
What is the most important feature for corn?
Largest kernels
Most corn kernels
Sweetest kernels
Pest resistant
Slide 6 - Drag question
Choose parents that show these characteristics and breed them
Breeding Zone
Slide 7 - Drag question
Breed the best offspring with the desired phenotype to produce the next generation.
Breeding Zone
Slide 8 - Drag question
Slide 9 - Slide
Slide 10 - Slide
Some cats are selectively bred so they do not cause allergies in people. Suggest two other reasons people may selectively breed cats.
Slide 11 - Open question
Selective breeding could cause problems of inbreeding in cats. Describe one problem inbreeding causes.
Slide 12 - Open question
Slide 13 - Slide
Different cats produce different amounts of Fel D1. A cat has been bred so that it does not produce Fel D1. Explain how the cat has been produced using selective breeding.