Biology I-Unit 5 Reproduction
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47 Terms
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Is binary fission sexual or asexual reproduction?
Asexual
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What type of reproduction creates 4 daughter cells?
Sexual reproduction
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When homologous chromosomes are being separated, what phase is that?
Anaphase I
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When does crossing over occur?
Prophase I
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What process that involves egg and sperm eventually will happen to create a diploid organism?
Fertilization
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If diploid is a full set of chromosomes, what is haploid?
Half the chromosomes/one set of chromosomes
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When homologous pairs are separated, and the cell membrane is beginning to pinch together, what phase is that?
Telophase I
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What type of graph do you make for comparing two or more things?
Bar graph
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When homologous chromosomes swap pieces of DNA, what is that called?
Crossing over
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When there are two genetically identical daughter cells, is that sexual or asexual reproduction?
Asexual reproduction
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What kind of graph do you make for change over time?
Line graph
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What are two things that asexual and sexual reproduction have in common?
Reproduce new offspring, offspring have full set of DNA,
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When offspring are genetically identical, is that sexual or asexual reproduction?
Asexual reproduction
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When sister chromatids are being separated, and there are two cells present, what phase is that?
Anaphase II
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Are sperm and egg haploid or diploid?
Haploid
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What is a picture of all the chromosomes in a cell called?
Karyotype
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If a karyotype has sex chromosomes, is that sexual or asexual reproduction?
Sexual reproduction
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How many cells are made at the end of meiosis?
Four
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What is the scientific term for sex cells?
Gametes
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If the haploid number of chromosomes is 14, what is the diploid number?
28
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What is the entire purpose of meiosis?
Create genetically different cells/offspring
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What is a pair of replicated, similar chromosomes from mom and dad called?
Homologous pair
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What is the 23rd pair of chromosomes called?
Sex chromosomes
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Where does your reasoning section for your CER come from?
Background information
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Would asexual reproduction, sexual reproduction, or both have offspring with a full set of DNA?
Both
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How many chromosomes do egg and sperm cells have at the end of meiosis?
23
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What two things go into a graph title?
Independent and dependent variables
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How many cells are present at the end of one round of asexual reproduction?
Two
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Does meiosis create genetically different or genetically identical offspring?
Different
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What are the first 22 pairs of chromosomes of humans called?
Autosomes
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Your claim for your CER answers what?
The scientific question
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What is the name of asexual reproduction in bacteria?
Binary fission
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Which would better survive a viral attack- an asexually reproducing population or a sexually reproducing population?
Sexual
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What is a fertilized egg called?
Zygote
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Asexual and sexual reproduction both use DNA to create new life, true or false?
True
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When chromosomes in meiosis do not correctly separate- what is that called?
Nondisjunction
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What is it called during Metaphase I when homologous chromosomes line up randomly?
Independent assortment
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What phase is this?
Anaphase 1
\-homologous pairs are being pulled apart
\-homologous pairs are being pulled apart
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What phase is this?
Anaphase II
\-sister chromatids are being pulled apart
\-sister chromatids are being pulled apart
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What phase is this?
Cytokinesis I
\-two cells are finally separated
\-nucleus is reforming
\-two cells are finally separated
\-nucleus is reforming
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What phase is this?
Interphase
\-DNA is in chromatin form
\-The nucleus is fully intact
\-DNA is in chromatin form
\-The nucleus is fully intact
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What phase is this?
Metaphase I
\-Homologous pairs are lined up in the middle of the cell
\-Homologous pairs are lined up in the middle of the cell
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What phase is this?
Metaphase II
\-Sister chromatids are lined up in the middle of the cell
\-Sister chromatids are lined up in the middle of the cell
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What phase is this?
Prophase I
\-DNA is condensing to chromosomes
\-Crossing over happens
\-Spindle fibers are forming
\-Nucleus is going away
\-DNA is condensing to chromosomes
\-Crossing over happens
\-Spindle fibers are forming
\-Nucleus is going away
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What phase is this?
Prophase II
\-Nucleus is going away
\-DNA is condensing to chromosomes
\-Nucleus is going away
\-DNA is condensing to chromosomes
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What phase is this?
Telophase I
\-Cells are starting to split
\-Can see a cleavage furrow
\-Cells are starting to split
\-Can see a cleavage furrow
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What phase is this?
Telophase II
\-Cells are starting to split
\-Can see a cleavage furrow
\-Cells are starting to split
\-Can see a cleavage furrow
Note 
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