English National Curriculum - Science Science

7. Explore genetic inheritance - family trees

Mission Objectives

define key genetic terms such as allele, dominant, recessive, and phenotype

analyse family trees to determine the mode of inheritance of a trait

use Punnett squares to predict the probability of offspring inheriting a trait

create a family tree and determine the mode of inheritance for a given trait

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Keywords

Words and meanings to learn

parent

a caregiver of the offspring in their own species

offspring

a person's child or children

characteristics

a feature or quality belonging typically to a person, place, or thing and serving to identify them

probability

the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true

inherit

the process by which genetic information is passed on from parent to child

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Required Resources

Resources: Whiteboard and markers, Internet access (for research purposes)

Handout: Handout contains family tree examples, Punnett square worksheet

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