The Loud House Heredity Vocabulary

​The Loud House: A family full of Traits

By Dwasha Sanford

In the Loud House, everything starts with Rita and Lynn Sr. Loud.

Mom And Dad Loud

 Just like all parents, they each passed down parts of their genetic code to their children. When two parents have children through sexual reproduction, their genes mix to create new combinations — that’s why none of their eleven kids look exactly alike!

Genetic
Code

Lori, the oldest, has her mom’s blue eyes and her dad’s smile.
That’s heredity — the passing of traits from parents to offspring. Every time Lori looks in the mirror, she’s seeing pieces of both Mom and Dad!

Meet Lori Loud

Multiple Choice

Lori Loud has her mom's blue eyes and her dad's smile. what does this example show?

• Mutation

• Environment

• Heredity

• Dominate Allele

Leni is the family’s fashion queen, always creative and cheerful.
Her creativity might come from a gene — a section of DNA that controls a specific trait.
One gene might influence how her brain processes patterns and color, helping her design amazing outfits!

Meet Leni Loud

Multiple Choice

Leni Loud loves designing clothes and has a great eye for color and patterns. what controls these traits inside her body?

• Muscles

• Genes

• Environment

• Chromosomes

Drag and Drop

Leni's Talent for fashion and creativity is influenced by her​

Placeholder

, small section of DNA tath carry trait information.

Drag these tiles and drop them in the correct blank above

Genes

DNa

Memory

Dad

Money

Luna rocks out every day with her guitar.
Lisa explains that inside Luna’s DNA are pairs called alleles — two versions of the same gene.
One allele might say “musical talent from Mom,” and the other might say “love for rhythm from Dad.” Together, those alleles make her the rock star of the family!

Hello Luna Loud

Multiple Choice

Luna Loud loves music and has brown hair like her dad. inside her DNA, she has two versions of a hair color gene- one form Mom and one from Dad.

what are these two versions called?

• Chromosomes

• Proteins

• Alleles

• Traits

Drag and Drop

Luna has one allele from brown hair and one from blonde hair. These two ​

Placeholder

work together to decide her hair color.

Drag these tiles and drop them in the correct blank above

alleles

strains

hairs

colors

DNA

Luan, the family comedian, has the genotype that makes her hair curly like Dad’s.
The genotype is the letter code (like BB, Bb, or bb) that represents the genes she inherited.
Even though you can’t see a genotype, it determines how traits show up.

Meet Luan Loud

Multiple Choice

Luan's curly hair come from her dad. the letter combination that represents this inherited trait is her.

• Phenotype

• Chromosome

• Genotype

• Allele

Drag and Drop

The hidden genetic code that decides Luan's traits is called her ​

Placeholder

Drag these tiles and drop them in the correct blank above

Genotype

Funny Bone

Linage

Dad gene

Lynn is super athletic — fast, strong, and competitive!
Her phenotype is how those genetic traits actually show on the outside: her muscle tone, coordination, and fearless energy.
Her genotype gave her the potential, but her phenotype shows it in action!

Meet Lynn Loud Jr

Drag and Drop

Lynn's phenotype includes her​

Placeholder

traits, like her athletic skills and eye color

Drag these tiles and drop them in the correct blank above

physical

sleeping

money

dreams

goals

Multiple Choice

Lynn Loud Jr. is athletic, fast and has brown eye. these visible traits are part of her:

• Phenotype

• Hobbies

• Sports Team

• Job

Lucy’s black hair and love of darkness might look unique, but that dark hair color is a dominant trait.
A dominant allele only needs to appear once to show up in the phenotype.
Even if her other allele came from a parent with light hair, Lucy’s dominant allele made her hair dark.

Meet  Lucy Loud

Multiple Choice

lucy has dark hair, a trait that only need one allele to appear. this means her dark his as a:

• Recessive

• Mutation

• Dominant Trait

• Hidden Trait

Drag and Drop

Lucy's dark hair shows because the ​

Placeholder

allele overpowers the recess​isve one

Drag these tiles and drop them in the correct blank above

Dominant

little

big

weird

silly

Lana, the tomboy twin, has recessive traits — freckles and lighter hair.
A recessive allele only shows up if she received it from both Mom and Dad.
That means each parent carries that hidden trait in their genes, even if they don’t show it themselves.

Meet Lana Loud

Multiple Choice

Lana loud has freckles, which only appears when both parents pass down the same alleles. what kind of traits is this?

• Dominant

• Mutation

• Recessive

• Phenotype

Multiple Choice

A reciessive trait appears when an organism has two recessive alleles.

• True

• False

Even though Lola is Lana’s twin, they don’t look the same.
Because sexual reproduction shuffles alleles in different ways, it creates variation — the reason every Loud sibling is unique.

​Meet Lola Loud

Multiple Choice

Lola and Lana are twins but have different hair colors and interests. what does this difference show?

• exactly the same

• variation

• Dominant Traits

• Mutation