Science - Unit 2 Quiz

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Biology

Genetics

7th

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28 Terms

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Genetics
The study of genes and heredity
The study of genes and heredity
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Heredity
The passing of physical characteristics from parents to offspring.
The passing of physical characteristics from parents to offspring.
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Homozygous recesive
The genotype of an organism with two recessive alleles
The genotype of an organism with two recessive alleles
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Homozygous dominant
The genotype of an organism with two dominant alleles
The genotype of an organism with two dominant alleles
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Heterozygous
The genotype of an organism with two different alleles
The genotype of an organism with two different alleles
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Allele
The alternative form or versions of a gene
The alternative form or versions of a gene
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Gene
The basic unit of heredity passed from parent to child
The basic unit of heredity passed from parent to child
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Fertilization
A process when egg and sperm join.
A process when egg and sperm join.
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Phenotype
the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment
the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment
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Genotype
The organism genetic makeup
The organism genetic makeup
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Punnet Square
Tool that helps to identift allelic combination
Tool that helps to identift allelic combination
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75%
The probability of 3 out of 4 outcomes
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50%
The probability of 2 out of 4 outcomes
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25%
The probability of 1 out of 4 outcomes
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100%
The probability of 4 out of 4 outcomes
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0%
The probability of 0 out of 4 outcomes
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Hybrid
The same as Heterozygous
The same as Heterozygous
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Purebred
The same as Homozygous
The same as Homozygous
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Dominant allele
An allele whose trait always shows up in the organism when it is present.
An allele whose trait always shows up in the organism when it is present.
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Recesive allele
Allele that is often hidden or overshadowed by dominant allele
Allele that is often hidden or overshadowed by dominant allele
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Gregor Mendel
Known as the father of modern genetics, he discovered the fundamental laws of inheritance
Known as the father of modern genetics, he discovered the fundamental laws of inheritance
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Interphase
The first main stage of the cell cycle
The first main stage of the cell cycle
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Interphase events
The period before cell division that cells grow, copy their DNA and prepare to divide into two cells
The period before cell division that cells grow, copy their DNA and prepare to divide into two cells
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Mitosis
The second main stage of the cell cycle
The second main stage of the cell cycle
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Prophase
Stage of mitosis that condensates nuclear genetic material
Stage of mitosis that condensates nuclear genetic material
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Anaphase
Stage of mitosis that chromosomes break up and sister chromatids move to opposite ends of the cell
Stage of mitosis that chromosomes break up and sister chromatids move to opposite ends of the cell
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Metaphase
Stage of mitosis that the chromosomes line up along the metaphase plate
Stage of mitosis that the chromosomes line up along the metaphase plate
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Telophase
Stage of mitosis that the chromosomes are at the ends of the cells and new nuclei are forming
Stage of mitosis that the chromosomes are at the ends of the cells and new nuclei are forming