Biology 123 2
Terms
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- GENETICS
- SCIENCE OF HEREDITY
- GREGORY MENDEL
- AUGUSTINIAN MONK WHO DISCOVERED THE FUNDEMENTAL PRINCIPLES OF GENETICS BY BREEDING GARDEN PEAS.
- STAMEN
- A POLLEN-PRODUCING MALE REPRODUCTIVE PART OF A FLOWER, CONSISTING OF A STALK AND AN ANTHER.
- CARPEL
- THE FEMALE PART OF THE FLOWER, CONSISTING OF A STALK WITH AN OVARY AT THE BASE AND A STIGMA, WHICH TRAPS POLLEN, AT THE TIP.
- ANTHER
- A SAC WHICH POLLEN GRAINS DEVELOP, LOCATED AT THE TIP OF A FLOWER'S STAMEN.
- STIGMA
- THE STICKY TIP OF A FLOWER'S CARPEL, WHICH TRAPS POLLEN GRAINS.
- HYBRIDS
- THE OFFSPRING OF TWO DIFFERENT VARIETIES. THE CROSS FERTILIZATION ITSELF IS HYBRIDIZATION OR SIMPLY A CROSS.
- ALLELE
- AN ALTERNATIVE FORM OF A GENE.
- DOMINANT ALLELE
- IN A HETEROZYGOTE, THE ALLELE THAT DETERMINES THE PHENOTYPE(EXPRESSED TRAIT) WITH RESPECT TO A PARTICULAR GENE.
- RECESSIVE ALLEVE
- IN A HETEROZYGOUS INDIVIDUAL, THE ALLELE THAT HAS NO NOTICEABLE EFFECT ON THE PHENOTYPE(EXPRESSED TRAIT OF AN ORGANISM).
- HETEROZYGOUS
- HAVING TWO DIFFERENT ALLELES FOR A GIVEN GENE.
- PUNNETT SQUARE
- DIAGRAM USED IN THE STUDY OF INHERITANCE TO SHOW THE RESULTS OF RANDOM FERTILIZATION.
- PHENOTYPE
- THE EXPRESSED TRAITS OF AN ORGANISM.
- GENOTYPE
- THE GENETIC MAKEUP OF AN ORGANISM.
- HOMOZYGOUS
- HAVING TWO INDENTICAL ALLELES FOR A GIVEN GENE.