Name__________________________ Date__________ Code____



Name__________________________ Date__________ Code____

[pic] Heredity & Genetics Unit Outline [pic]

I. How Characteristics are Inherited (Pg. 328-329)

A. An _____________________ _________________ is a

characteristic passed from parents to their offspring.

B. Three examples of inherited traits in humans are ______________,

_________________, and ________________.

C. Three examples of inherited traits in animals are ______________,

________________, and ________________.

D. The scientist who experimented with pea plants to observe traits

passed from plant to offspring was __________ ___________.

E. Mendel learned that traits can ___________ a generation.

II. Dominant and Recessive Traits (Pg. 330-331)

A. A strong trait, or a trait that appears after having only one

factor, is called a __________________ trait.

B. A weak trait, or one that only appears with two factors, is called

a _____________________ trait.

C.A __________________ Square can be used to ____________ the

traits an offspring will show.

D. In a square, dominant factors are _____________ letters and

recessive factors are ___________________ letters.

III. What are Genes? (Pg. 332-333)

A. ____________________ are found in the nucleus of a cell.

B. A _______________ is the part of a chromosome that contains

the DNA code for an ____________________ trait.

C. ___________ is a chemical that provides detailed

___________________ to the cell about every function of life.

D. DNA is in the shape of a double-helix, but looks like a ladder.

E. You receive half of your chromosomes (23) from your

__________ and the other half (23) from your __________ to

make a unique you!

IV. Learned Behaviors (Pg. 344-345)

A. A ____________________ behavior is a behavior an animal or

human gets through experience.

B. An animal or human learns a new behavior by _____________

others or being _________________.

C. Compare learned behaviors to inherited traits below:

Inherited Examples: Learned Behaviors:

1. 1.

2. 2.

3. 3.

V. Environmental Influences (Pg. 346-347)

A. Some characteristics or behaviors are changed because of

_____________________________ influences.

B. An organism’s ____________________ is everything in its

surroundings that ______________ it.

C. An example of an environmental change are when humans

cut down _________________ for wood and destroy

animals’ __________________.

D. List one other example of an environmental change

affecting animals: ______________________________

E. Other examples of the environment affecting your inherited

traits include: ______________________________________

VI. Instincts (Pg. 342-343)

A. An ________________ is a behavior that an organism inherits.

B. Instincts are passed from parents to their _______________.

C. Animal instincts usually help an animal ________________ in its surroundings.

D. An example of an animal instinct is when a bird makes a _______________ or a cat ________________ itself.

E. Some human instincts include being able to eat, ______________, and _____________ when you were a baby.

F. Compare learned behaviors to inherited instincts below:

Learned Behaviors: Instincts:

1. 1.

2. 2.

3. 3.

Name__________________________ Date__________ Code____

[pic] Heredity & Genetics Unit Outline [pic]

I. How Characteristics are Inherited (Pg. 328-329)

B. An _inherited trait _ is a

characteristic passed from parents to their offspring.

B. Three examples of inherited traits in humans are Eye color, Skin color, Cell shape, hair color, fur

C. Three examples of inherited traits in animals are fur or skin texture, teeth, eye color

F. The scientist who experimented with pea plants to observe traits

passed from plant to offspring was Gregor mendel

G. Mendel learned that traits can _skip a generation.

II. Dominant and Recessive Traits (Pg. 330-331)

B. A strong trait, or a trait that appears after having only one

factor, is called a dominate_ trait.

B. A weak trait, or one that only appears with two factors, is called

a __recessive trait.

C.A _Punnett_ Square can be used to predict the

traits an offspring will show.

E. In a square, dominant factors are Capital (upper case) letters and

recessive factors are Lower case letters.

III. What are Genes? (Pg. 332-333)

A. _DNA/Genes/ Chromosomes are found in the nucleus of a cell.

B. A _gene is the part of a chromosome that contains

the DNA code for an _Inherited trait.

C. _DNA is a chemical that provides detailed

Instructions to the cell about every function of life.

E. DNA is in the shape of a double-helix, but looks like a ladder.

E. You receive half of your chromosomes (23) from your

mom and the other half (23) from your dad_ to

make a unique you!

IV. Learned Behaviors (Pg. 344-345)

B. A ______learned__ behavior is a behavior an animal or

human gets through experience.

B. An animal or human learns a new behavior by _observing _

others or being _______taught__.

C. Compare learned behaviors to inherited behavior (instinct) below:

Inherited Examples: Learned Behaviors:

(Instinct)

1. Migrating 1. Reading

2. Suckling / eating 2.talking

3. crying 3. Walking

VI. Environmental Influences (Pg. 346-347)

A. Some characteristics or behaviors are changed because of

_environmental influences.

B. An organism’s _environment is everything in its

surroundings that _affect it.

C. An example of an environmental change are when humans

cut down _trees for wood and destroy

animals’ _habitats_.

D. List one other example of an environmental change

affecting animals: hunting, pollution, forest fire, climate change

E. Other examples of the environment affecting your inherited

traits include: fences, cages, habituation

VI. Instincts (Pg. 342-343)

G. An _instinct is a behavior that an organism inherits.

H. Instincts are passed from parents to their offspring/chidren

I. Animal instincts usually help an animal __survive in its surroundings.

J. An example of an animal instinct is when a bird makes a _nest__ or a cat grooms/cleans ___ itself.

K. Some human instincts include being able to eat, _sleep_, and __crying _ when you were a baby.

L. Compare learned behaviors to inherited instincts below:

Learned Behaviors: Instincts:

Whistling eating

Writing crying

Snapping sleeping

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