1) alternative form of a gene a) allele b) chromosome c) DNA d) diploid 2) most condensed & constricted region of a chromosome to which the spindle fiber is attached during cell division a) allele b) gene c) centromere d) heredity 3) molecule which forms the genetic code a) RNA b) DNA c) genotype d) FNA 4) basic physical unit of heredity consisting of a DNA sequence at a specific location on a chromosome a) phenotype b) gene c) genotype 5) combination of genes at a single loci a) genotype b) phenotype c) heterosis d) genetic makeup 6) the POTENTIAL an animal has to show specific traits or performance due to its genetic information a) environment b) allele c) locus d) heredity 7) "survival of the fittest" a) natural selection b) artificial selection 8) one-locus genotype containing functionally different genes a) homozygous b) heterozygous 9) one pair of chromosomes having corresponding loci a) locus b) homologs c) heterozygous 10) one-locus genotype containing functionally identical genes a) homozygous b) heterozygous 11) specific location of a gene on a chromosome a) position b) site c) location d) locus 12) observable physical characteristics a) genotype b) phenotype 13) an organism's genetic code represented by a pattern of letters a) genotype b) phenotype 14) the % a trait is affected by the animal's GENETIC information a) environment b) heritability c) inheritability 15) the EXTERNAL conditions that affect the traits & performance of an animal a) heredity b) natural selection c) environment d) location 16) chromosomes are found within the ______ of the cell & are made of thin material containing genes a) mitochondria b) nucleus c) plasma d) ribosomes 17) the _____ is the smallest structural unit of an animal's body a) cell b) DNA c) plasma d) reticulum 18) what type of selection is used in agriculture? a) natural b) artificial

Genetics Vocab

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