Genetics! Question Preview (ID: 33608)


What Do We Know About Genetics? TEACHERS: click here for quick copy question ID numbers.

An example of an inherited trait is...
a) broken bone
b) riding a bike
c) eye color
d)

T is dominant for broad nose. t is recessive for narrow nose. A father has tt, but the mother has TT. What type of nose will the child have?
a) narrow
b) broad
c) Pinnochio
d)

H is dominant for Curly Hair. h is recessive for Straight Hair. If a father has the alleles HH and the mother has hh. What kind of hair will their child have?
a) curly
b) straight
c)
d)

Chromosomes...
a) carry DNA and Genes.
b) are found in pairs.
c) Both answers are correct.
d) All of the above.

A father has QQ, which is dominant for Brown Eyes. The mother has QQ also for brown eyes. What color will the child's eyes be?
a) brown
b) blue
c) hazel
d) black

Another word for offspring is...
a) adult
b) child
c)
d)

Acquired traits...
a) are learned over time or happen during life.
b) are given at birth from parents.
c)
d)

Inherited means...
a) you learn it over time.
b) you receive something, like a trait, from a family member.
c)
d)

Heredity is...
a) Study of plants.
b) Study of cells.
c) Study of traits from parent to children.
d)

What are genes?
a) Small sections of DNA; they carry traits.
b) Send messages.
c)
d)

Genetics is...
a) The study of cells.
b) The study of heredity.
c)
d)

What does the capital allele mean to scientists when determining traits?
a) recessive
b) dominant
c)
d)

What does the lower case allele mean to scientists when creating a Punnett Square?
a) dominant
b) recessive
c)
d)

What is the name of the visual chart scientists use to determine traits?
a) Punnett Square
b) Trait Chart
c) Genetic Square
d) None of the Above

Humans have 2 sets of _____ chromosomes.
a) 23
b) 24
c) 25
d) 26

Phenotypes are...
a) letters representing traits.
b) observable traits, like hair color.
c)
d)

A genotype consists of ____ letters.
a) 1
b) 3
c) 4
d) 2

Each person has 2 copies of every gene.
a) True
b) False
c)
d)

Heterozygous would be...
a) TT-2 large alleles
b) Tt-a large allele and a small allele
c) tt-2 small alleles
d)

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