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These are sections of chromosomes that code for a trait.
A gene
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This is a characteristic that can be passed from parent to offspring.
Trait
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What would device would you use to predict the possible offspring of a cross between different genotypes?
A punnett square
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What is genetics?
The passing of traits from one parent to its offspring
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How could you determine a person’s phenotype?
By looking at the person
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The genetic make-up of an organism is called what?
Genotype
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This type of allele in not fully expressed when paired with a dominant allele.
A recessive.
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What do you call two alleles in a gene pair that are identical?
Homozygous
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If you crossed a heterozygous individual with a homozygous recessive individual, what would the genotypes of their children look like?
Half would be heterozygous and half would be homozygous recessive
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What do you call an organism that receives different forms of a genetic trait from each parent?
Hybrid or heterozygous
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If you flip a coin, this is the probability you’ll get tails?
½
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What are haploid cells?
Cells that contain half the amount of chromosomes
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What phase of meiosis is this?
Anaphase II
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What phase of meiosis is this?
Prophase I
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What phase of meiosis is this?
Telophase II
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What phase of meiosis is this? Metaphase II
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What is a pedigree?
A graph that shows how traits are passed from generation to generation.
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Does this statement occur in meiosis or mitosis: two cells are produced at the end.
Mitosis
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Does this statement occur in meiosis or mitosis: the result is identical cells.
Mitosis
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Does this statement occur in meiosis or mitosis: results in cells that have half the amount of chromosomes.
Meiosis
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What are sperm cells and egg cells called?
Gametes
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What do you call a cross made to study a single trait?
Monohybrid cross
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Draw a punnett square for the following cross:• A heterozygous individual for straight hair is
crossed with a heterozygous individual for straight hair. Straight hair is dominant to curly hair. Use an “S” for the dominant trait.
SS
S s
s
SSs
Ss ss