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Chap. 9 sci. JCE
chapter 9 science vocab for JCE STUDENTS
Question | Answer |
---|---|
AQUIRED TRAIT | CHARACTERISTIC TRAIT THAT AN ORGANISM DEVELOPES AFTER IT IS BORN |
ADAPTATION | A TRAIT OR CHARACTERISTIC THAT HELPS AN ORGANISM SURVIVE IN ITS ELEMENT. |
ASEXUAL REPRODUCTON | PRODUCTION OF OFFSPRING FROM ONLY ONE PARENT |
CHROMOSOME | SHORT THICK COIL OF DNA |
DNA | A MOLECULE FOUND IN THE NUCLEUS OF A CELL AND SHAPED LIKE A DOUBLE HELIX ASSOCIATED WITH THE TRANSFER OF GENETIC INFORMATION |
DOMINANT | DESCRIBES A TRAIT THAT IS EXPRESSED WHEN AN ORGANISM RECEIVES GENES FOR TWO DIFFERENT FORMS OF THAT TRAIT |
GENE | SHORT SEGMENT OF DNA THAT DETERMINES AN ORGANISM'S INHERITED TRAITS |
HEREDITRY | GENETIC TRANSFER OF CHARACTERISTICS FROM PARENT TO OFFSPRING |
HYBRID | ORGANISM THAT HAS TWO DIFFERENT GENES FOR THE SAME TRAIT |
MUTATION | CHANGE IN THE GENES OF AN ORGANISM |
NUCLEOTIDE | BASIC STRUCTURAL UNIT OF DNA |
RECESSIVE | DESCRIBES A TRAIT THAT IS NOT EXPRESSED WHEN AN ORGANISM RECEIVES GENES FOR TWO DIFFERENT TRAITS |
SELECTIVE BREEDING | A PRACTICE OF BREEDING PLANTS OR ANIMALS FOR DESIRABLE TRAITS |
SEXUAL REPRODUCTION | PRODUCTION OF OFFSPRING BY THE UNION OF MALE AND FEMALE GENES. |