Exam (elaborations)
USABO GENETICS PART 1 QUESTIONS AND ANSWERS
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USABO GENETICS PART 1 QUESTIONS AND ANSWERS
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Name: Score:53 Multiple choice questions
Definition 1 of 53
in organisms that have alternation of generations, the multicellular haploid form that produces
haploid gametes by mitosis.
Parental type
Aneuploidy
Sporophyte
Gametophyte
Definition 2 of 53
an additive effect of two or more genes on a single phenotypic character
Polygenic inheritance
Quantitative character
Genetic map
Complete dominance
Definition 3 of 53
referring to a diploid cell that has three copies of a particular chromosome instead of the
normal two.
Trisomic
Crossing over
Epistasis
Codominance
,Definition 4 of 53
a genetic map based on the frequencies of recombination between barkers during crossing
over of homologous chromosomes.
Linked genes
Cytogenetic map
Parental type
Linkage map
Definition 5 of 53
The two members of a gene pair (alleles) segregate (separate) from each other in the
formation of gametes. Half the gametes carry one allele, and the other half carry the other
allele.
Sexual reproduction
Genomic imprinting
Recombinant type
Law of Segregation
Definition 6 of 53
a chromosomal alteration in which the organism possesses more than two complete
chromosome sets. it is the result of an accident of cell division.
Sporophyte
Polyploidy
Aneuploidy
Diploid cell
,Definition 7 of 53
an offspring whose phenotype differs from that of the true-breeding P generation parents;
also refers to the phenotype itself.
Recombinant chromosome
Recombinant type
Life cycle
Alternation of generations
Definition 8 of 53
the ability of a single gene to have multiple effects
Karyotype
F2 generation
P generation
Pleiotropy
Definition 9 of 53
the alleles of two (or more) different genes get sorted into gametes independently of one
another.
Norm of reaction
Independent assortment
Incomplete dominance
Linked genes
, Definition 10 of 53
breeding an organism of unknown genotype with a homozygous recessive individual to
determine the unknown genotype
Hemizygous
Monosomic
Testcross
Aneuploidy
Definition 11 of 53
the range of phenotypes produced by a single genotype, due to environmental influences
Multifactorial
Norm of reaction
F1 generation
Complete dominance
Definition 12 of 53
referring to organisms that produce offspring of the same variety over many generations of
self-pollination
F2 generation
True-breeding
Trisomic
Multifactorial
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