Cell Cycle | Mitosis/Meiosis | Mendelian Genetics | Non-Mendelian Genetics | Vocabulary |
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What is the stage in which a cell checks for error/damage when preparing for mitosis?
G2 phase
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When does crossing over occur?
meiosis
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Reference the punnet square I am about to draw on the board. Knowing what you know, about monohybrid crosses, what is the missing parents genotype?
XX
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In humans, the sex-linked trait of normal blood clotting is dominant to hemophilia. What would be the genotype of a female who is a carrier for the disease?
XHXh
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Is this genotype heterozygous or homozygous?
hh
homozygous
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What is the period in which a cell is actively dividing and becoming two cells called?
mitosis or M phase
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Does meiosis result in haploid or diploid cells?
haploid
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Pea seed pods can be either green (GG) or yellow (gg). When crossed using a Punnett Square, what is the percentage chance of GG x gg parents producing offspring that are heterozygous for pea color?
100%
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In snapdragons petal color is inherited codominatly with the possible colors being red, white, and red and white stripes. What is the probability of getting a white flower if you cross two striped flowers?
25%
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Red and White flowers exhibit incomplete dominance. If I cross a red and white flower what is the resulting phenotype?
100% pink flowers
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What is the stage where DNA replication takes place?
S Phase
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In which phase of mitosis do the chromosomes line up in down the middle of the cell and the spindle fibers attach.
metaphase
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Jacob's white and black dog had 4 puppies. Three of them had solid black coats and one was white and black like the mother. Which color coat is dominant?
Black
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In pea plants, round and yellow are dominant traits, and wrinkled and green are recessive traits. What possible genotypes could give you a yellow, round pea plant.
RRYY or RrYy
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Which cell cycle contributes to genetic variation in animal offspring?
Meiosis
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What is the name for G1, S, and G2 phases? (hint: first phase of the cell cycle)
Interphase
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Mitosis makes _____ cells, and meiosis makes ______ cells.
somatic, reproductive
also acceptable (body cells, gamates) |
Pea seed pods can either be green (GG) or yellow (gg). When crossing a homozygous recessive parent with a heterozygous parent what are the percentages of possible phenotypes of the offspring?
50% green, 50% yellow
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R = purple
r = yellow T = tall t = short Set up a cross between a homozygous recessive parent and a heterozygous dominant parent. What is the probability of having offspring that is yellow and short?
25% probability or 1/4
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Write the genotype for a female who is homozygous recessive for colorblindness.
XbXb
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What is the cellular process that telophase occurs?
mitosis
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Please draw the phase Telophase on the board.
answer should looks like 2 cells still attached and have two nucleus'
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Tomato plants usually have hairy stems. Hairless stems are present in tomato plants that are homozygous recessive for this trait. If the stem characteristics are determined by a single gene, what is the expected outcome of crossing two tomato plants that are heterozygous for hairy stems? (phenotypic ratio)
3:1 hairy to hairless
75% hairy and 25% hairless also acceptable |
Set up a cross between a parent who heterozygous for Type A blood and a parent who has Type AB blood. What are the possible phenotypes this cross could result in?
Type A blood
Type AB blood Type B blood |
Name the phases of meiosis.
Interphase, Prophase I, Metaphase I, Anaphase I, Telophase I, Cytokinesis I, Prophase II, Metaphase II, Anaphase II, Telophase II, Cytokinesis II
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