DNA And Genetics Question Preview (ID: 57927)
DNA And Genetics.
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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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