Chromosomes: IT TAKES TWO TO MAKE THINGS GO RIGHT!
pairs
parent 46
gene
karyotypes
sex
X
Y
male
Page 6 of IAN
homologous
inherited
genes
two
alleles
letters
dominant recessive
pair
heterozygous
Aa
HH
r r
3
homozygous dominant
phenotype
recessive
a a
H h
R R
R r
cells
types
DNA
energy molecules
homeostasis
nucleus
genome DNA
parents
chromosomes
mom dad
centromere
short long
proteins
trait
single-locus
many environmental
traits
genotype
organism cells with
nucleus chromosome
(homologous
chromosomes)
gene protein trait
DNA amino acids
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