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?
a) TCAX
b) CATU
c) ATCG
d) GACY

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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