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DNA / GENES, MENDEL - Coggle Diagram
DNA / GENES
Genes basic unit of heredity
Short segment of DNA
Each one directs proteins build up
Alleles = copy of Genes
Eye color
One from each parent
Genotype - letter indicating which allele
the same = Homozygous
Different = Heterozygous
Phenotype - physical characteristic
Dominant
Recessive
Genes alike = Purebred, Genes different= Hybrid
section of DNA coding protein
Chromosome
DNA Molecule associated proteins carrying hereditary info (in Nucleus)
46 (2 sets of 23) one set from Mum and one set from Dad
23rd is sex
XX Woman
XY Man
Carries genetic info
Man has around 25.000
MENDEL
Austrian Monk experimenting pea plants
differences not due to appearance but from genes
TRAITS - characteristic that varies
7 traits
Dominant
Tall- Purple flower, green pea
Visible only with one copy
Recessive
Short White flower, yellow pea
Visible with two copies
Homozygous
BB- bb
Heterozygous
Bb - bB
Law of segregation
Each pair of alleles separate during meiosis
Law of Dominance
one controls traits othe could be hidden
Law of indipendent assortment
Pairs of genes segregate into gametes randomly
not influenced one to the other