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BIO 340 EXAM 1 STUDY GUIDE
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Mitosis and Meiosis II - Answers -In which nuclear division process do sister chromatids segregate? chiasmata - Answers -At metaphase I, homologous chromosomes are connected only at what structure? Pairing of homologous chromosomes - Answers -Which of the following is unique to prophase I of ...

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  • August 31, 2024
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  • 2024/2025
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  • bio 340 exam 1 study guide

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BIO 340 EXAM 1 STUDY GUIDE
Mitosis and Meiosis II - Answers -In which nuclear division process do sister chromatids
segregate?

chiasmata - Answers -At metaphase I, homologous chromosomes are connected only
at what structure?

Pairing of homologous chromosomes - Answers -Which of the following is unique to
prophase I of meiosis?

16 - Answers -If a muscle cell of a typical organism has 32 chromosome, how many
chromosomes will be in a gamete of that same organism?

four haploid - Answers -Meiosis produces ___________ daughter cells

All offspring with red eyes - Answers -In a cross between a homozygous red-eyed
female fruit fly and a white-eyed male fruit fly, what is the expected outcome?

All male offspring with white eyes - Answers -In a cross between a white-eyed female
fruit fly and a red-eyed male fruit fly, what is the expected outcome?

sugar + phosphate + nitrogen base - Answers -A nucleotide is made of _______.

adenine, guanine, cytosine, and uracil - Answers -A molecule of RNA (ribonucleic acid)
contains the bases _______

Guanine - Answers -Which of the following does cytosine pair with?

double-stranded circular; double stranded linear - Answers -Prokaryotes contain a
_________ chromosome, and eukaryotes contain ________ chromosomes.

4 amino acids - Answers -How long would the peptide be that is translated from this
mRNA sequence: 5'- AUGGGCUACCGA -3'?

DNA->RNA->Protein - Answers -What is the correct sequence of steps in the central
dogma?

Nucleus - Answers -Where does transcription take place in human cells?

Cytoplasm - Answers -Where does translation take place in eukaryotic cells?

5'-AUGGCCGGUUAUUAAGCA-3' - Answers -Transcribe the following DNA sequence
(non template strand): 5'-ATGGCCGGTTATTAAGCA-3'

, Mutation and gene flow - Answers -In which of the following pairs do both evolutionary
processes introduce new genetic variation into a population?

True - Answers -Mutation can be defined as the addition of genetic variation that
increases the hereditary diversity of a population.

It is found in 100% of the population - Answers -If an allele has a frequency of 1:

Gene flow - Answers -When male lions reach sexual maturity, they leave their group in
search of a new pride. This can alter the allele frequencies of the population through
which of the following mechanisms?

Inbreeding can bring together rare, deleterious mutations that lead to harmful
phenotypes. - Answers -When closely related individuals mate with each other, or
inbreed, the offspring are often not as fit as the offspring of two unrelated individuals.
Why?

They are derived by similar environmental constraints. - Answers -Which statement
about analogies is correct?

homologous traits - Answers -What do scientists use to apply cladistics?

They evolved from a shared ancestor. - Answers -What is true about organisms that are
a part of the same clade?

to decipher accurate phylogenies - Answers -Why do scientists apply the concept of
maximum parsimony?

are genetically identical to the parent cell - Answers -Daughter cells produced by mitosis
_______.

DNA replication. - Answers -Besides growth, what must happen before a cell divides?

Cytokinesis - Answers -The division of the cytoplasm following mitosis to form two new
cells is called?

The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at
the metaphase plate. Cohesin proteins break down and the sister chromatids separate.
The nucleus reforms and the cell divides. - Answers -Which of the following is the
correct order of events in mitosis?

alleles - Answers -Alternate forms of a gene are called _______.

phenotype - Answers -Describing a person as having hemophilia is to indicate his or her
______.

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