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7 Sci Heredity

7th Grade Science Heredity Vocabulary

QuestionAnswer
HEREDITY THE PASSING OF TRAITS FROM PARENT TO OFFSPRING.
ALLELES THE DIFFERENT FORMS A GENE MAY HAVE FOR A TRAIT.
MEIOSIS PROCESS BY WHICH SEX CELLS ARE CREATED IN THE REPRODUCTIVE ORGANS, WITH EACH SEX CELL HAVING ONE ALLELE FOR EACH TRAIT.
GENETICS STUDY OF HOW TRAITS ARE INHERITED THROUGH THE ACTIONS OF ALLELES.
DOMINANT THE TRAIT THAT SHOWS OR APPEARS. SHOWN BY A CAPITAL LETTER.
RECESSIVE THE TRAIT THAT IS HIDDEN OR SEEMS TO DISAPPEAR. SHOWN BY A LOWERCASE LETTER.
PROBABILITY BRANCH OF MATHEMATICS THAT HELPS YOU PREDICT THE CHANCE THAT SOMETHING WILL HAPPEN.
PUNNET SQUARE A HANDY TOOL USED TO PREDICT RESULTS IN MENDELIAN GENETICS.
GENOTYPE GENETIC MAKEUP OF AN ORGANISM.
PHENOTYPE PHYSICAL EXPRESSION OF A PARTICULAR GENOTYPE.
HOMOZYGOUS ORGANISM WITH TWO ALLELES THAT ARE EXACTLY THE SAME.
HETEROZYGOUS ORGANISM WITH TWO DIFFERENT ALLELES.
INCOMPLETE DOMINANCE PRODUCTION OF A PHENOTYPE THAT IS AN INTERMEDIATE TO THOSE OF THE TWO HOMOZYGOUS PARENTS AND BOTH ALLELES ARE EXPRESSED IN THE OFFSPRING.
MULTIPLE ALLELES A TRAIT THAT IS CONTROLLED BY MORE THAN TWO ALLELES.
POLYGENIC INHERITANCE WHEN A GROUP OF GENE PAIRS ACT TOGETHER TO PRODUCE A SINGLE TRAIT.
SEX-LINKED GENE AN ALLELE INHERITED ON A SEX CHROMOSOME.
PEDIGREE A TOOL FOR TRACING THE OCCURRENCE OF A TRAIT IN A FAMILY.
GENETIC ENGINEERING CHANGING OF A GENE'S DNA SEQUENCE BY BIOLOGICAL AND CHEMICAL METHODS.
Created by: smurray817
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