BIO 1201 EXAM 3 LSU questions with correct
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answers
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True or False: The purpose of mitosis is to insure that daughter
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cells have identical genetic information at the mother cell. -
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CORRECT ANSWERS ✔✔true |\ |\
How many centromeres are there per chromosome? - CORRECT
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ANSWERS ✔✔1 |\
How many centrosomes per chromosome consist of 2 sister
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chromatids? - CORRECT ANSWERS ✔✔1 |\ |\ |\ |\
When is DNA replicated? - CORRECT ANSWERS ✔✔S phase
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When are sister chromatids separated? - CORRECT ANSWERS
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✔✔Anaphase I |\
If the DNA content in G2 is X, what is the DNA content of each
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daughter cell at Telophase? - CORRECT ANSWERS ✔✔0.5X
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If the DNA content in G1 is X, what is the DNA content of each of
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the daughter cells at Telophase? - CORRECT ANSWERS ✔✔X
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,DNA replication checkpoint occurs where? - CORRECT ANSWERS
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✔✔G2
We inherit our mitochondria from our... - CORRECT ANSWERS
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✔✔our mother |\
In mitosis when do homologous chromosome pairs separate? -
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CORRECT ANSWERS ✔✔in mitosis, homologous chromosomes do
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not separate
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In meiosis when do homologous chromosome pairs separate? -
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CORRECT ANSWERS ✔✔Anaphase I |\ |\ |\
At G2, the amount of DNA is X. At Telophase II the amount of
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DNA in each of the daughter cells is... - CORRECT ANSWERS
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✔✔0.25X
At G1, the amount of DNA is X. At Telophase II the amount of
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DNA in each of the daughter cells is... - CORRECT ANSWERS
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✔✔0.5X
At G2 there are 40 chromatids, what is the diploid chromosome
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number? - CORRECT ANSWERS ✔✔20 |\ |\ |\ |\
At G2 there are 40 chromatids, at Telophase II each daughter
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cells has how many chromosomes? - CORRECT ANSWERS ✔✔10
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, At G2, there are 40 centrosomes, at Telophase II each daughter
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cell has how many chromosomes? - CORRECT ANSWERS ✔✔20
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Why don't we talk about Gossian genetics? - CORRECT ANSWERS
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✔✔he was not quantitative with his work
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What is the alternative form of a gene? - CORRECT ANSWERS
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✔✔allele
How many different alleles can a diploid individual have at a
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single gene locus if there are 4 alleles in the population? -
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CORRECT ANSWERS ✔✔2 alleles |\ |\ |\
True or False: Recessive alleles are not expressed because they
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code for an inactive or defective enzyme. - CORRECT ANSWERS
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✔✔true
What is an example of a genotype? - CORRECT ANSWERS ✔✔PP,
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Pp, or pp |\ |\
In genetics, what determines what? - CORRECT ANSWERS
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✔✔genotype determines phenotype |\ |\
An individual with 2 Barr Bodies has how many chromosomes? -
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CORRECT ANSWERS ✔✔3: 2 are inactive, 1 is active |\ |\ |\ |\ |\ |\ |\ |\
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answers
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True or False: The purpose of mitosis is to insure that daughter
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
cells have identical genetic information at the mother cell. -
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CORRECT ANSWERS ✔✔true |\ |\
How many centromeres are there per chromosome? - CORRECT
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ANSWERS ✔✔1 |\
How many centrosomes per chromosome consist of 2 sister
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chromatids? - CORRECT ANSWERS ✔✔1 |\ |\ |\ |\
When is DNA replicated? - CORRECT ANSWERS ✔✔S phase
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When are sister chromatids separated? - CORRECT ANSWERS
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✔✔Anaphase I |\
If the DNA content in G2 is X, what is the DNA content of each
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daughter cell at Telophase? - CORRECT ANSWERS ✔✔0.5X
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If the DNA content in G1 is X, what is the DNA content of each of
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the daughter cells at Telophase? - CORRECT ANSWERS ✔✔X
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,DNA replication checkpoint occurs where? - CORRECT ANSWERS
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✔✔G2
We inherit our mitochondria from our... - CORRECT ANSWERS
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✔✔our mother |\
In mitosis when do homologous chromosome pairs separate? -
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CORRECT ANSWERS ✔✔in mitosis, homologous chromosomes do
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not separate
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In meiosis when do homologous chromosome pairs separate? -
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CORRECT ANSWERS ✔✔Anaphase I |\ |\ |\
At G2, the amount of DNA is X. At Telophase II the amount of
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DNA in each of the daughter cells is... - CORRECT ANSWERS
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✔✔0.25X
At G1, the amount of DNA is X. At Telophase II the amount of
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DNA in each of the daughter cells is... - CORRECT ANSWERS
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✔✔0.5X
At G2 there are 40 chromatids, what is the diploid chromosome
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number? - CORRECT ANSWERS ✔✔20 |\ |\ |\ |\
At G2 there are 40 chromatids, at Telophase II each daughter
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cells has how many chromosomes? - CORRECT ANSWERS ✔✔10
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, At G2, there are 40 centrosomes, at Telophase II each daughter
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cell has how many chromosomes? - CORRECT ANSWERS ✔✔20
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Why don't we talk about Gossian genetics? - CORRECT ANSWERS
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✔✔he was not quantitative with his work
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What is the alternative form of a gene? - CORRECT ANSWERS
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✔✔allele
How many different alleles can a diploid individual have at a
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single gene locus if there are 4 alleles in the population? -
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CORRECT ANSWERS ✔✔2 alleles |\ |\ |\
True or False: Recessive alleles are not expressed because they
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code for an inactive or defective enzyme. - CORRECT ANSWERS
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✔✔true
What is an example of a genotype? - CORRECT ANSWERS ✔✔PP,
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Pp, or pp |\ |\
In genetics, what determines what? - CORRECT ANSWERS
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✔✔genotype determines phenotype |\ |\
An individual with 2 Barr Bodies has how many chromosomes? -
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CORRECT ANSWERS ✔✔3: 2 are inactive, 1 is active |\ |\ |\ |\ |\ |\ |\ |\
