DNA And Genetics Question Preview (ID: 57927)


DNA And Genetics. TEACHERS: click here for quick copy question ID numbers.

Which characteristic would most likely be inherited by a baby?
a) Being able to walk by 6 months
b) Crying a lot
c) Curly hair
d) Being able to talk by one year

True or false: Your DNA is 100% unique to you, unless you are a twin.
a) True
b) False
c)
d)

DNA is often called the ______________ of life.
a) Blueprint
b) Staircase
c) Wall
d) Rock

An organism's observable PHYSICAL features are also called what?
a) Phenotype
b) Genotype
c) Dominant
d) Recessive

An organism's genetic code (combination of alleles/letters) is also called what?
a) Phenotype
b) Genotype
c) Dominant
d) Recessive

DNA is located in the...
a) Vacuole
b) Cell membrane
c) Nucleus
d) Golgi Body

Adenine pairs with what base?
a) Thymine
b) Uracil
c) Guanine
d) Cytosine

Cytosine pairs with what base?
a) Thymine
b) Guanine
c) Uracil
d) Adenine

You inherit a recessive allele from your mother and a dominant allele from your father. Which allele will be seen??
a) Dominant from dad
b) Recessive from mom
c) Neither will be seen
d) It cannot be determined

An allele that is masked when a dominant allele is present. The weaker gene.
a) Recessive
b) Dominant
c) Phenotype
d) Genotype

An allele whose trait always shows up in the organism when the allele is present. The stronger gene.
a) Dominant
b) Recessive
c) Phenotype
d) Genotype

What is called when a organism has two DIFFERENT alleles/letters for a trait. Tt or Rr
a) Heterozygous
b) Homozygous
c) Phenotype
d) Recessive

What is called when a organism has two IDENTICAL alleles/letters for a trait. TT or tt. RR or rr
a) Homozygous
b) Heterozygous
c) Phenotype
d) Dominant

A characteristic (such as eye color, skin color etc.) that an organism can pass on to its offspring through its genes is
a) Trait
b) DNA
c) Allele
d) Dominant

What does DNA stand for?
a) Denitrogenous acid
b) Diribonucleic acid
c) Deoxyribonucleic acid
d) Deliberated runner aux

DNA is shaped in a
a) double helix
b) tightly packed swirl
c) twisted ladder
d) single helix

How many chromosomes do human cells have?
a) 12
b) 23
c) 46
d) 100

What is a gene?
a) A piece of DNA
b) All of your DNA
c) DNA wrapped around into an x-shaped material
d) Something outside the nucleus

What is a DNA molecule made of?
a) Base, sugar, coffee
b) DNA, sugar, phosphate
c) Base, sugar, phosphate
d) Base, roof, height

Who is responsible for producing this x-ray image of DNA before it was stolen by colleagues?
a) Rosalind Franklin
b) James Watson
c) Francis Crick
d) Robert Hooke

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