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BIOLOGY 181 FINAL EXAM QUESTIONS AND ANSWERS 2024

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BIOLOGY 181 FINAL EXAM QUESTIONS AND ANSWERS 2024

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BIOLOGY 181 FINAL EXAM


What separates during anaphase I? - ANSWERS-Homologous Chromosomes



What separates during anaphase II? - ANSWERS-Sister Chromatids



Nondisjunction: - ANSWERS-Homologous Chromosomes dont separate or Sister
Chomatids dont separate



Gene: - ANSWERS-Hereditary Determinants



Allele: - ANSWERS-Variations of a Gene

Ex: AA



Genotype: - ANSWERS-Described Alleles



Phenotype: - ANSWERS-Product of Genotype and Environment, physical
appearance, the alleles shown for a given trait



Pure (purebred) Line: (genotype) - ANSWERS-individuals that produce offspring
that is

, identical to themselves



Monohybrid Cross: - ANSWERS-A cross between two individuals that differ in a
single characteristic—more specifically, a cross between individuals that are
homozygous for different alleles at the same locus (AA × aa); also refers to a cross
between two individuals that are heterozygous for two alleles at a single locus (Aa
× Aa).



Phenotypes of Hh x Ee: (Brown Hair, Brown Eyes) - ANSWERS-...



Independent Assortment: - ANSWERS-Inheritance (transmission) of one allele
does NOT affect the inheritance of other



Segregation: - ANSWERS-Alleles segregate into different gametes (eggs and

sperm)

Gametes contain one allele per gene



X-linked Trait: - ANSWERS-Genes carried by the X. By the Mother.



Incomplete Dominance: - ANSWERS-RR x rr



Codominance: - ANSWERS-non-identical alleles specify 2 phentoypes that are
both expressed in heterozygotes

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