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BioSci 93- Final Bio93 Key Terms Exam Questions with Revised Correct Detailed Answers with Rationales Guaranteed Pass £10.47
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BioSci 93- Final Bio93 Key Terms Exam Questions with Revised Correct Detailed Answers with Rationales Guaranteed Pass
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BioSci 93- Final Bio93 Key Terms Exam Questions with Revised Correct Detailed Answers with Rationales Guaranteed Pass Gene - A segment of DNA on a chromosome that codes for a specific trait Allele - Different forms of a gene Genotype - genetic makeup of an organism Phenotype - An organism's ...

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  • December 30, 2024
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  • biosci 93 final bio93 key terms exam questions wi

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BioSci 93- Final Bio93 Key Terms Exam
Questions with Revised Correct
Detailed Answers with Rationales
Guaranteed Pass

Gene - ✔✔A segment of DNA on a chromosome that codes for a specific trait


Allele - ✔✔Different forms of a gene


Genotype - ✔✔genetic makeup of an organism


Phenotype - ✔✔An organism's physical appearance, or visible traits.


Homozygous - ✔✔An organism that has two identical alleles for a trait


Heterozygous - ✔✔An organism that has two different alleles for a trait


Homozygous recessive - ✔✔Both alleles (factors) for a trait are the same and recessive (aa)


Homozygous dominant - ✔✔Both alleles (factors) for a trait are the same and dominant (AA)


Gamete - ✔✔sex cell


Test Cross - ✔✔the crossing of an individual of unknown genotype with a homozygous recessive

individual to determine the unknown genotype


Parental Generation - ✔✔the adults used in the first experimental cross of a breeding experiment




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F1 Generation - ✔✔the first generation of offspring obtained from an experimental cross of two

organisms


F2 Generation - ✔✔offspring of the F1 generation


Dominant allele - ✔✔An allele whose trait always shows up in the organism when the allele is present.


recessive allele - ✔✔An allele that is masked when a dominant allele is present


law of segregation - ✔✔Mendel's law that states that the pairs of homologous chromosomes separate in

meiosis so that only one chromosome from each pair is present in each gamete


law of independent assortment - ✔✔the law that states that genes separate independently of one another

in meiosis


true breeding - ✔✔term used to describe organisms that produce offspring identical to themselves if

allowed to self-pollinate


multiplication rule - ✔✔To determine the probability, we multiply the probability of one event by the

probability of another.


addition rule - ✔✔Considering mutually exclusive events, the probability of both occurring is the sum of

the probabilities of each event.


monohybrid cross - ✔✔A cross between individuals that involves one pair of contrasting traits


dihybrid cross - ✔✔A cross between individuals that have different alleles for the same gene


Incomplete dominance - ✔✔Situation in which one allele is not completely dominant over another allele


Codominance - ✔✔A condition in which neither of two alleles of a gene is dominant or recessive.


Multiple Alleles - ✔✔three or more forms of a gene that code for a single trait




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