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Heredity by Mind Map: Heredity
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Heredity

Alleles

homozygous

dominant, PP

recessive, pp

heterozygous

complete dominance, Rr, dominant only expressed

incomplete dominance, RR', red+white, pink, blended

codominance, I^A I^B, both completely expressed

multiple

I^A I^A/I^A i, A Carbohydrate

I^B I^B/I^B i, B Carbohydrate

I^A I^B, AB Carbohydrate

ii, O, no carbohydrate

Genes

INSTRUCTIONS

Location

Locus

Alleles

Code, Genotype, PP

Expression, Phenotype, Purple

Epistasis

interaction, modifier, modified, epistatic, expressed, hypostatic, suppressed/altered

επηισταναι, "to stop"

mice fur, alleles, Cc, color ON/OFF, Bb, Black/Brown, black, CCBB, CCBb, CcBB, CcBb, brown, CCbb, white, ccXX

Pleiotropy

πλείων, "more"

τρέπειν, "to convert"

One Gene, Many Traits

pea seeds, Wrinkled, Conversion of sugar to starch, Osmotic gradient, more water when immature, more water lost when mature, wrinkled

Polygenic

Many Genes, One Trait

Height

Linked

Different genes, Same Chromosome

crossover, distance, rate

Crossing

types

monohybrid

dihybrid

Mendel

segregation, MEIOSIS I

independent assortment, PROBABILITY

Chromosome Pairs

Autosomes

Genes, Identical, Homologous

Alleles, Same, Different

Sex

Genes, Different

sex-linkage, specific gene, X, most linked here, Y, rarely

male, XY

female, XX, autosomal, X-inactivation, One uncoiled chromosome, Barr body

Hemophilia, male, X^h Y, female, X^h X^h

Defects

Nondisjunction

Separation failure, Chromosomes, Extra, Missing

Meiosis, Anaphase I, Anaphase II

Mitosis, anaphase, mosaicism

Polyploidy, All Chromosomes NonDisjuncted

Humans

Point mutation

Anueploidy, nondisjunction, Down syndrome, Turner syndrome

Chromosomal aberrations, Duplication, Inversion, Translocation