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Chapter 3 Lesson 1 - Traits Review Game
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What does DNA stand for?
deoxyribonucleic acid
Fill in the Blank - Before a cell divides, an BLANK copy of its DNA is made.
exact
Fill in the blank - Many BLANK are harmful because they decrease an organisms chances for survival.
mutations
True or False? Carbohydrates control most of the life processes in cells
FALSE - proteins do
What does a molecule of DNA resemble? a fireman's pole or a twisted ladder
a twisted ladder
Which one does not belong? A nucleotide is made up of a phosphate, a sugar, a salt, and a nitrogen base.
a salt
True or False? One gene can have hundreds of chromosomes on it.
FALSE - One chromosome can have hundreds of genes on it.
True or False? A chromosome has exactly one hundred genes on it.
FALSE - can have hundreds of genes on it
True or False? The information on a chromosome determines only one trait.
FALSE - can determine many traits
How many chromosomes do human reproductive cells have?
23
What are the reproductive cells called?
gametes
How many chromosomes do normal human cells have?
46
What do we call tightly coiled, double strands of DNA?
chromosomes
What do we call the two identical halves of a chromosome?
chromatids
What do we call the central region that hold the chromatids together?
centromere
What do we call DNA and protein found in loose form?
chromatin
What kind of trait? People can pierce their ears or dye their hair. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait
manipulated trait
What kind of trait? A shark has multiple rows of teeth. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait
inherited trait
What kind of trait? The color of a wolf's fur can change with the change of seasons. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait
environmental
What kind of trait? A child can ride a bicycle after lots of practice. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait
learned behavior
What kind of trait? The flamingo taking on a pink color from the food it eats. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait
environmental
Multiple choice - These are acquired after an animal is born like the ability to read or ride a bike. (heredity, inherited traits, learned behaviors)
learned behaviors (acquired)
Multiple choice - This is the process through which traits are passed from parent to offspring. (inherited traits, heredity, learned behaviors)
heredity
Multiple Choice - These are passed from parent to offspring like face shape and hair color. (heredity, inherited traits, learned behaviors)
inherited traits
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