Exam (elaborations)
GENETICS-UNIT 1 QUESTIONS AND ANSWERS
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GENETICS-UNIT 1 QUESTIONS AND ANSWERS
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Name: Score:80 Multiple choice questions
Definition 1 of 80
gene gives a trait or phenotype, and environmental factor gives the same phenotype, but
genetics are diff>not passed on to next generation
Epistasis
Penetrance
Phenotype
Phenocopies
Definition 2 of 80
Lung Cancer>genetic or smoking
Phenocopies Ex 1
Phenocopies EX 2
Phenocopies Ex 10
Codominance Ex 3
Definition 3 of 80
different paris of alleles are passed to offspring independently of each
Incomplete Dominance
Use Of Pedigree
Independent Assortment
Epistasis
,Definition 4 of 80
one of the parents must have it
dominant disorder on pedigree
use of pedigree
x-linked pedigree
female on pedigree
Definition 5 of 80
Cataracts>genetic or viral
Expressivity Ex
Codominance Ex
Polygenic Traits Ex
Phenocopies EX
Definition 6 of 80
variation in phenotypes
Polygenic traits
genes are passed from parents to offspring during
Allele characteristics and interactions create
Incomplete dominance
Definition 7 of 80
cattle and horses>if you cross a pure red (RR) with a pure white (WW) you get RW which
producres the color roan=red and white hairs intermixed or are spotted
Epistasis Ex
Polygenic Traits Ex
Codominance EX
Codominance EX 3
,Definition 8 of 80
Hypercholesterolemia=gene controls # of receptors on the liver that take cholesterol from
blood stream/homo normal=low chol, hetero=intermediate, homo disease=high
Incomplete dominance EX 2
Phenocopies ex 2
Incomplete dominance
Codominance ex 2
Definition 9 of 80
one trait could mask, cover, or hide another=dominant and the trait that is maskedis called
recessive
Mendel's 2nd observation
Mendel's 4th observation
Mendel's 3rd observation
Mendel's 1st observation
Definition 10 of 80
most of males are affected
Use of pedigree
Autosomal pedigree
X-linked recessive disorders
X-linked pedigree
, Definition 11 of 80
DNA>Genes, Chromosomes, and genomes>cells, tissue, and
organs>individuals>families>populations>evolution
Use of Pedigree
Central Dogma of Genetics
Functions of Genes
Levels of Genetics
Definition 12 of 80
dog with spots (that is not a dalmatian)
Codominance Ex 2
Codominance Ex 103
Epistasis Ex 2
Codominance EX 3
Definition 13 of 80
carried on a non sex chromosome/affects both sexes equally
Sex-linked dominant
Incomplete dominance
Autsomal dominant
Inherited dominant disorder
Definition 14 of 80
to find out the prob of a child having a disorder in a particular family
types of Dominance
use of Pedigree
dominant disorder on pedigree
functions of Genes
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