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Bio 340 Exam 1 Study Guide with correct answers.
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Bio 340 Exam 1 Study Guide with correct answers.
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Bio 340 Exam 1 Study Guide with correctanswers
In which nuclear division process do sister chromatids segregate? - .......ANSWERS
🔷🖊✔✔Mitosis and Meiosis II
At metaphase I, homologous chromosomes are connected only at what structure?
- .......ANSWERS 🔷🖊✔✔chiasmata
Which of the following is unique to prophase I of meiosis? - .......ANSWERS 🔷🖊
✔✔Pairing of homologous chromosomes
If a muscle cell of a typical organism has 32 chromosome, how many chromosomes
will be in a gamete of that same organism? - .......ANSWERS 🔷🖊✔✔16
Meiosis produces ___________ daughter cells - .......ANSWERS 🔷🖊✔✔four haploid
In a cross between a homozygous red-eyed female fruit fly and a white-eyed male
fruit fly, what is the expected outcome? - .......ANSWERS 🔷🖊✔✔All offspring with
red eyes
In a cross between a white-eyed female fruit fly and a red-eyed male fruit fly, what
is the expected outcome? - .......ANSWERS 🔷🖊✔✔All male offspring with white
eyes
Hemophilia is an x-linked recessive pattern. A carrier woman (one affected X
chromosome) married a man with hemophilia and they have children. What percent
of their boy children will be affected? - .......ANSWERS 🔷🖊✔✔50%
What would a female genotype have to be for her to have the genetic disease
hemophilia? - .......ANSWERS 🔷🖊✔✔Both of her X chromosomes would have to
have the recessive gene for hemophilia
, Congenital generalized hypertrichosis is a an X-linked dominant disease. If an
affected male marries an unaffected female, what is the probability of passing the
hypertrichosis gene to his offspring? - .......ANSWERS 🔷🖊✔✔p=0.5. All daughters
will be affected.
If black and white true breeding mice are mated and the result is all grey offspring,
what inheritance pattern would this be indicative of? - .......ANSWERS 🔷🖊
✔✔incomplete dominance
ABO blood groups are an example of - .......ANSWERS 🔷🖊✔✔multiple alleles and
codominance
Could an individual with blood type O (genotype ii) be a ligitimate child of parents in
which one parent has type A and the other has type B blood? - .......ANSWERS 🔷🖊
✔✔Yes, if each parent carries one i allele
A white splashed (Bl/Bl) Andalausian chicken and a black (bl/bl) Andalusian chicken
are crossed. The heterozygotes produced show an intermediate phenotype (blue).
What inheritance pattern would this be indicative of? - .......ANSWERS 🔷🖊
✔✔Incomplete dominance
A person with only one Sickle Cell Anemia allele and one unaffected allele will have
some normal red blood cells and some abnormal. What inheritance pattern would
this be indicative of? - .......ANSWERS 🔷🖊✔✔Codominance
In Griffith's experiments, what made the harmless R cells grow capsules when
exposed to heat-killed S cells? - .......ANSWERS 🔷🖊✔✔DNA
In the Hershey-Chase experiment radioactive Sulfur was used to: - .......ANSWERS
🔷🖊✔✔Be incorporated into the phage protein coat because some amino acids
contain sulfur
The experiments by Hershey and Chase helped confirm that DNA was the hereditary
material on the basis of the finding that: - .......ANSWERS 🔷🖊✔✔Radioactive
phosphorus was found inside the cell
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