Acquired Vs. Inherited Traits
A trait that is passed down from parents to offspring are called?
Inherited Traits
What is an innate behavior?
A behavior that an organism is born knowing how to do.
According to Heredity, where does your DNA and genes come from?
From your parents or grandparents.
What is a dominant trait?
A trait that is powerful and shows up even if you only have 1 allele.
A trait that you receive later in life that is not passed to your offspring is called what?
Acquired Trait
Mrs. Frye knows how to play the guitar, has really bad eyesight, and a hitchhiker's thumb. Which one of these characteristics would be a learned behavior?
Playing guitar
Why do identical twins look exactly the same?
They come from one cell and both individuals have the same DNA and genes.
What is a recessive trait?
A trait that is weaker and only shows up when there is 2 recessive alleles.
Jonathan is tall, has blue hair (dyed) and has a nose piercing. Which of his traits is inherited from his parents?
His height
Carla's cat had kittens. Even though their eyes haven't opened yet, they can locate where to get milk from by smell. When they get older, they can use the litter box and hunt for mice and small birds. Which of these behaviors are innate (or instinct)?
Being able to locate and eat milk.
Why do fraternal twins only look similar and not identical?
They have different DNA and started off as two separate cells.
Which of these traits is recessive? Brown eyes, dark hair, freckles, or unattached earlobes?
unattached earlobes
Jacob's dog has brown fur, brown eyes, and only 3 legs since he was hit by a car and had to have it removed. Which trait of Jacob's dog was an acquired trait?
3 legs
Cody can play basketball really well even though he is not as tall as some other players. How is this possible?
Cody has learned to play basketball really well. It is a learned behavior.
Why do we look similar to our parents but not exactly the same?
Which of these traits are dominant? Blue eyes, dimples, blonde hair, attached earlobes?
dimples
Jessica and John are siblings. Jessica has brown hair and blue eyes, but John has blonde hair and blue eyes. Why does Jessica and John have different hair colors?
John and Jessica inherited different hair color traits from their parents.
All of them
What is a chromosome, and how many do humans have?
Bundles of DNA and 23 pairs (46 total)
She inherited a recessive blue eye gene from her mom and dad. (she has 2 recessive blue eye genes)