Science Heredity Vocab
Published on Nov 27, 2015
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PRESENTATION OUTLINE
HEREDITY VOCAB
BY LILLY RYAN 2ND PERIOD
TRAIT
A CHARACTERISTIC OR PROPERTY OF AND ORGANISM
DOMINANT TRIAT
A GENETIC TRAIT PASSED FROM PARENT TO CHILD THAT IS MORE LIKELY TO BE EXPRESSED
CHROMOSOME
A TIGHTLY WOUND BUNDLE OF DNA AND PROTEINS FOUND IN THE NUCLEUS OF MOST LIVING CELLS
HEREDITY
THE PASSING OF TRAITS FROM PARENT TO OFFSPRING
GENE
THE PASSING OF TRAITS FROM PARENT TO OFFSPRING
Recessive Trait
A genetic trait that lacks the ability to manifest itself when a dominant gene is present
Allele
One member of a pair or series of genes on specific chromosomes in specific positions
Punnent Square
A chart used to determine the possible genetic outcomes for offspring of a given cross
Phenotype
The observable traits of an organism passed on from parent to offspring
Genotype
Internal genetic coding passed on from one generation to the next
HOMOZYGOUS
HAVING IDENTICAL PAIRS OF GENES FOR ANY GIVEN PAIR OF HEREDITARY CHARACTERISTICS
HETEROZYGOUS
HAVING DISSIMILAR PAIRS OF GENES FOR ANY HEREDITARY CHARACTERISTIC
DNA
Found in the nucleus of a cell, a long nucleic acid molecule containing the genetic instructions for the development and functioning of all living organisms
PROKARYOTE
INDIVIDUAL MICROSCOPIC ORGANISM WITH NO NUCLEUS
EUKARYOTE
HAVING COMPLEX CELLS IN WHICH THE GENETIC MATERIAL IS CONTAINED INSIDE A NUCLEUS
