Name__________________________ Date__________ Code____ Heredity & Genetics Unit Outline 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: V. Inherited Examples: Learned Behaviors: 1. 1. 2. 2. 3. 3. 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. 2. 3. 1. 2. 3. Name__________________________ Date__________ Code____ Heredity & Genetics Unit Outline 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: (Instinct) 1. Migrating VI. Learned Behaviors: 1. Reading 2. Suckling / eating 2.talking 3. crying 3. Walking 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: Whistling Writing Snapping Instincts: eating crying sleeping