Heredity Unit Test Extra Credit Contest Question Preview (ID: 54212)


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Brown eyes are a dominate trait. Blues eyes are a recessive trait. The father has brown eyes and the mother has blue eyes, what is the ONLY way the child will have blue eyes.
a) If the father's brown eye gene is recessive too.
b) If the mother's blue eye gene is genetically dominate.
c) If the father has a recessive blue gene also, and the child receives the recessive blue gene from both parents.
d) none of the choices

D is a dominate trait for an orange beak and d is a recessive trait for a yellow beak. If your turkey had a genotype of Dd, what color beak will you turkey have?
a) yellow
b) no color
c) orange
d) a shorter beak

What is a Mendelian Trait?
a) Create new DNA
b) nucleotide
c) A trait determined by only one gene
d) The genetic makeup of an individual

What is a Sex Linked trait?
a) A gene that is located on the 23rd pair of chromosomes
b) Some traits are determined by multiple genes.
c) Two chromosomes containing genes for the same traits
d) The ongoing debate related to the link between genetics and environment in determining traits

Gregor Mendel studied what plant to discover the fundamentals of traits?
a) Potatoes
b) Petunias
c) Peas
d) Corn

DNA looks most similar to
a) hot air balloons
b) a twisted ladder
c) pebbles on a beach
d) spaghetti noodles

True or False: Chromosomes cannot be inherited
a) False
b) True
c)
d)

Which are NOT a genetic trait?
a) Eye color
b) Height
c) Fear of snakes
d) Big Feet

1. Remember that nucleotide are like puzzle pieces that only fit with one other nucleotide. Which of these nucleotide pairs are NOT correct.
a) Adenine and Thymine AT
b) Cytosine and Guanine CG
c) Thymine and Cytosine TC
d) Guanine and Cytosine GC

If F means tongue flipper and f means non-flipper, which student would be a non-flipper?
a) Ff
b) XY
c) FF
d) ff

Why are non-Mendelian traits considered rule breakers?
a) none of the choices
b) Because its possible for the dominant gene to not be expressed
c) Because its possible for the dominant gene to be expressed
d) all of the choices

Which statement best describes complete dominance?
a) When both the dominant and recessive alleles are shown.
b) When the dominant trait completely masks the recessive allele.
c) When the dominant and recessive alleles mix to form a third phenotype.
d)

Which of these best describes incomplete dominance?
a) When both the dominant and recessive allele express a phenotype (like spots).
b) When the dominant and recessive alleles blend (mix together) and create a third phenotype.
c) When the dominant allele hides (covers up) the recessive allele.
d) none of these choices

What is codominance?
a) The dominant allele completely masks the recessive allele.
b) both alleles are expressed
c) none of the choices
d) all of the choices

In codominance, if you breed a black chicken with a white chicken, what do you think the result will be?
a) 100% will be gray
b) 100% will be black and white speckled
c) 50% will be black and 50% will be White
d) none of the choices

If you cross a red flower with a white flower what phenotype should you expect in 100% of the offspring if snapdragon flowers are expressed via incomplete dominance?
a) Red
b) Pink
c) White
d) Yellow

Which chromosome NEVER EVER get a superscript (like an exponent)?
a) X
b) Y
c) Both of the choices
d) None of the choices

Which of the following is a Heterozygous trait?
a) Aa
b) BB
c) AA
d) aa

Which of the following is a homozygous recessive trait?
a) Aa
b) Tt
c) tt
d) TT

A carrier is someone who carries a recessive allele but who has the dominant trait because she is heterozygous.
a) True
b) False
c)
d)

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