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Summary genetics terminology - Life Sciences (Biology)

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A very Brief summary of Important aspects in the Topic of Genetics .

Institution
12th Grade








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Uploaded on
January 23, 2024
Number of pages
1
Written in
2023/2024
Type
Summary

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revision
network innucleus
hereditarycharacteristics chromatin


Dnamolecule TadeothggggingthemedetahagenenaunitofHEREDITY
around
wrapped
his
tomes
Tall and
portionofDNA protien
differ
from due
eachother

tosequenceofN bases
each carriesintotomakespent
gene
YETI specificcharacteristic



eachspeciehascharacter t no
othyffiffThetore
celldivision
Karyotypephotographofindividualchromosomesinorganum arearrangedinpairsaccordingtosize shape homologous
pair
a
examinestructure no of chromosome identitytypeoforganism


Homologoulchromosomes imember paternal imember maternal carrysimilarintobutnotidenticalCarrygenesforsame
characteristic


inhumans 22 homologouspairs autosome
lastpair gonosomes Isexchromosome
females xx
thany
xchromosomeislarger
males x y
a chavaitanities comefromgene ingame
tromffinbute as chromosomes




TERMINOLOGY


inheritance setof characteristicspassedfromparentstooffspring
genetics studyoninheritancesvariationsthatoccurinAvani
missionofhereditarycharacteristics stroy
similarities differencesbetweenrelated
individu

variation variationinindividuals naturalselectionoccurs survivalofthespecies
Genome completesetofallgene inallchromosomesofparticularspecies
Gene BasilunitofinheritanceShortsectionofDnamoleculewithspecific ofNbasesCarriesinstructionstomakespecificprotein
sequence
Locus positionofgeneonchromosome
Alleles locusonhomologouschromosomesAreanalternativeformofgene
genesatsame
Homozygous identical
alleles
Heterozygous differentalleles

Genotype compositionoforganum homol
referstogene heterozygous


phenotypereferstophysicalappearanceofOrganism
Allele Allele
Dominant
l
thatisshowninphenotyewhenhomo heterozygouscapital
letterMask therecessivegene
Recessiveallele snow inphenotypeitpersonishomozygousforitsmall
only letter
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