Genetics: Question Preview (ID: 22916)

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What shape is DNA?
a) strand b) single helix c) long d) double helix
What does DNA stand for?
a) detoxyribonucleic acid b) deoxyribonucleic acid c) deoxyribbonucleic acid d) deoxygenucleic acid
DNA is made of four bases. What letters represent the bases?
How do the DNA bases pair up?
a) CT, AG b) AT, CG c) CG, TC d) TA, CA
A notable feature or quality is a
a) chromosome b) base c) allele d) trait
Two types of traits are
a) physical and behavioral b) physical and environmental c) physique and behavioral d) all of the above
People inherit traits from
a) offspring b) siblings c) parents d) all of the above
Eye color is an example of a
a) behavioral trait b) physical and behavioral trait c) physical trait d) allele
Where in a cell are chromosomes located?
a) cytoplasm b) nucleus c) vacuole d) cell membrane
Human cells have how many chromosomes in them?
a) 1 b) 23 c) 46 d) impossible to tell
Personality is what type of trait?
a) physical b) behavioral c) allele d) chromosome
Strands of DNA are called
a) traits b) alleles c) bases d) genes
The way an organism acts is a ________ trait.
a) physical b) behavioral c) physical and behavioral d) neither physical nor behavioral
True or False? The environment can influence traits?
a) true b) false c) d)
How many alleles do offspring inherit from their parents?
a) 2 b) 4 c) 6 d) depends on the trait
What type of letter represents a dominant allele?
a) lower case b) upper case c) A, T, C, or G d) any type of letter
What common shape is DNA often referred to as?
a) square b) long c) strand d) ladder
True or False? All siblings receive the same DNA from their parents.
a) true b) false c) d)
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