Genetics
Instincts or Learned Behaviors? Vocabulary 1 Vocabulary 2 Inherited Traits Instincts or Learned Behaviors? Hodgepodge 100 200 300 400 500
A feature or quality belonging to a person or animal…
Characteristic (or trait!)
A person’s child/children
Offspring
A threadlike structure inside the nucleus, made up of DNA
Chromosomes
The part of the chromosome that contains the DNA code for an inherited trait.
Gene
A characteristic passed from parents to offspring
(instincts are not characteristics, they are behaviors!) Inherited trait (instincts are not characteristics, they are behaviors!)
A behavior that is acquired through experience
Learned behavior
A strong trait, that appears when 1 or 2 factors are shown
Dominant trait
A behavior that is inherited
Instincts
A weak trait that only appears when 2 factors are present
Recessive trait
Existing from birth
Innate
Traits can skip a generation. True/False Traits can skip a generation.
True!
A _____ _____ is used to predict traits an offspring will show
Punnett square
If both a dominant and a recessive factor are present, which trait will appear?
Dominant
Not a lot of people are left-handed Not a lot of people are left-handed. Left-handedness is an example of a _______ trait.
Recessive
Which of the following is an inherited trait? A- playing piano B- sweet dance moves C- finding shelter D- widows peak
D- widows peak
The women of a species can share a trait that the men do not have. True/False? The women of a species can share a trait that the men do not have.
True!
Instinct or Learned Behavior? A cheetah knows all the best hunting skills
Learned
Instinct or Learned Behavior? A baby cries louder & with a higher pitch when it needs its diaper changed.
Learned
Instinct or Learned Behavior? A cat sits in the sun grooming itself.
Instinct
Instinct or Learned Behavior? A baby bird wakes up and opens its mouth for the mother bird to feed it.
Instinct
Which is an example of an offspring? A- your parents B- a dog’s puppy C- a lion’s prey
B- a dog’s puppy
Name the scientist who studied pea plants to see how traits were passed
Greorge Mendel
Everything in an organisms’ surroundings that affects it, including water, soil, air, weather, etc…
Environment
Pollution can damage the _______ of living things and affect offspring.
Chromosomes
Explain what happens when 2 brown-eyed parents have a blue-eyed child.
The recessive factors were hiding in the parents, but both passed one to the child, resulting in 2 recessive factors, which makes a recessive trait show.