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Exam (elaborations)

GENETICS-UNIT 1 QUESTIONS AND ANSWERS

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  • Course
  • Genetics
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  • Genetics

GENETICS-UNIT 1 QUESTIONS AND ANSWERS

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  • September 23, 2024
  • 66
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Genetics
  • Genetics
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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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