L1 Inheritance

Vocabulary

• Trait: characteristic صِفة

• Phenotype: how the trait appears. نمط ظاهري

• Heredity وراثة

• Genetics دراسة انتقال الصفات من الآباء للأبناء

• Offspring: children أبناء

• Cross: to have children تَزاوُج

• True-breeding: offspring of similar parents.

• Hybrid: offspring of different parents.

Multiple Choice

I agree with:

• Fred

• Andrea

• Karen

• Isaac

Categorize

Options (6)

Skin color

White skin, brown skin

Hair color

Black hair, blonde hair

Eyebrow shape

Straight eyebrow, rounded eyebrow

Organize these options into the right categories

Trait

Phenotype

Match

Match the following

• Trait

• Phenotype

• Heredity

• Genetics

Unique characteristic

How the trait appears

Passing traits from parents to offspring

The study of how traits are passed

• Unique characteristic

• How the trait appears

• Passing traits from parents to offspring

• The study of how traits are passed

​First Generation Cross

​Hybrid offspring

Multiple Select

Why do you think the white color did not appear in the offspring of the first generation? (3)

• It was hidden in the offspring

• The white color did not want to appear

• The white color is weak

• The purple color is strong

Match

Match the following

• Offspring

• Cross

• True Breeding

• Hybrid

Children

To have children

Offspring of similar parents

Offspring of different parents

• Children

• To have children

• Offspring of similar parents

• Offspring of different parents

Match

Match the following

• Trait

• Phenotype

• Heredity

• Genetics

Unique characteristic

How the trait appears

Passing traits from parents to offspring

The study of how traits are passed

• Unique characteristic

• How the trait appears

• Passing traits from parents to offspring

• The study of how traits are passed

Learning Objective

Distinguish between dominant and recessive traits.

Vocabulary

• Dominant trait: strong, blocks.

• Recessive trait: weak, gets blocked.

Match

Vocab Revision - 1

• Trait

• Phenotype

• Heredity

• Genetics

Unique characteristic

How the trait appears

Passing traits from parents to offspring

The study of how traits are passed

• Unique characteristic

• How the trait appears

• Passing traits from parents to offspring

• The study of how traits are passed

Match

Vocab Revision - 2

• Offspring

• Cross

• True Breeding

• Hybrid

Children

To have children

Offspring of similar parents

Offspring of different parents

• Children

• To have children

• Offspring of similar parents

• Offspring of different parents

​First GenerationCross

​Hybrid offspring

​Reminder

​All Purple flowers

​Second Generation Cross

​Second Generation Cross

Drag and Drop

The ​

Placeholder

trait is the strong one, it ​

Placeholder

weak traits.

Drag these tiles and drop them in the correct blank above

dominant

blocks

recessive

gets blocked

Categorize

Options (4)

Organize these options into the right categories

Dominant

Recessive

Learning Objective

Determine what controls traits.

Vocabulary

• Gene: has genetic information for one trait.

• Alleles: two genes for the same trait, coming from the father and the mother.

• Genotype: two alleles controlling the phenotype.

• Homozygous: similar alleles

• Heterozygous: different alleles

Match

Match the following

• Gene

• Allele

• Genotype

• Homozygous

• Heterozygous

Has information for one trait

2 genes for the same trait, from parents

Controls the phenotype

two similar alleles

two different alleles

• Has information for one trait

• 2 genes for the same trait, from parents

• Controls the phenotype

• two similar alleles

• two different alleles

Categorize

Options (12)

WW

Ww

ww

Ss

ss

SS

Oo

OO

oo

BB

Bb

bb

Organize these options into the right categories

Homozygous

Heterozygous

Plenary - Alef

Learning Objective

Develop and use Punnett Square to predict patterns of inheritance.

Match

Vocab Revision

• Gene

• Allele

• Genotype

• Homozygous

• Heterozygous

Has information for one trait

2 genes for the same trait, from parents

Controls the phenotype

two similar alleles

two different alleles

• Has information for one trait

• 2 genes for the same trait, from parents

• Controls the phenotype

• two similar alleles

• two different alleles

Vocabulary

• Ratio

• Punnett Square

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Multiple Choice

What must be known to predict the genotypes and phenotypes of the offspring?

• Parents' look

• Parents' genotypes

• Parents' traits

• Parents' phenotypes

Multiple Choice

What is the ratio of the phenotypes for the offspring of the cross?

• 3 green : 1 yellow

• 1 yellow : 1 green

• 3 yellow : 1 green

• all are wrong

​Plenary

Learning Objective

Develop and use pedigrees to predict patterns of inheritance.

Vocabulary

• Pedigree: family tree, it shows phenotypes of family members.

Multiple Select

What is similar between a Punnett Square and a Pedigree? (2)

• Both involve heredity

• Both can be used to predict genotypes

• Both provide wrong information

• No similarity between them

Match

Match the following

• Male

• Female

• Dominant

• Recessive

Square

Circle

Shape without color

Colored shape

• Square

• Circle

• Shape without color

• Colored shape

Multiple Choice

The correct answer is:

• A

• B

• C

• D

Multiple Choice

The correct answer is:

• A

• B

• C

• D