CRK/CRE/CRS
Posted in Basic Science Biology Civic Eduaction (All Classes) CRS/CRK/CRE (All Classes) Health Physcial And Health Education (P.H.E) Relationship

HIV/AIDS

383 ViewsHIV/AIDS   The Meaning of HIV/AIDS The Human Immunodeficiency Virus (HIV) or Acquired Immune Deficiency Syndrome (AIDS) was first reported…

Biology
Posted in Biology

SEX-LINKED TRAITS

279 ViewsSEX-LINKED TRAITS   Sex–linked traits are characteristics whose genes are carried on the X chromosome of the sex chromosomes instead…

Biology
Posted in Biology

CHROMOSOME: THE BASIS OF HEREDITARY

265 ViewsCHROMOSOME: THE BASIS OF HEREDITARY   LOCATION AND STRUCTURE OF CHROMOSOMES Chromatin granules (thread – like structures) found in the…

Biology
Posted in Biology

DETERMINATION OF THE GENOTYPE OF A DOMINANT PHENOTYPE

222 ViewsDETERMINATION OF THE GENOTYPE OF A DOMINANT PHENOTYPE   A dominant phenotype has the genotypic patterns RR, Rr. The genotype…

Biology
Posted in Biology

DIHYBRID INHERITANCE

204 ViewsDIHYBRID INHERITANCE   Gregor Mendel crossed plants which differ in two pairs of contrasting characteristics e.g. seed shape (round or…

Biology
Posted in Biology

MENDELS WORK IN GENETICS

180 ViewsMENDELS WORK IN GENETICS   In the study of genetics, Gregor Mendel (1866) worked with the garden pea (Pisumsativum)  because…

Biology
Posted in Biology

HEREDITARY VARIATION AND CAUSES

181 ViewsHEREDITARY VARIATION AND CAUSES   Hereditary variation is the differences among individuals which can be passed from the parents to…

Biology
Posted in Biology

BIOLOGY OF HEREDITARY AND VARIATION

219 ViewsBIOLOGY OF HEREDITARY AND VARIATION (GENETICS)   DEFINITIONS OF GENETIC TERMS Genetics is the scientific study of heredity and variation…

Biology
Posted in Biology

THEORIES OF EVOLUTION

216 ViewsTHEORIES OF EVOLUTION   ORGANIC EVOLUTION Organic evolution is the sum total of adaptive changes from pre–existing or old forms…

Biology
Posted in Biology

SOCIAL ANIMALS

232 ViewsSOCIAL ANIMALS   Social animals are those in which individuals of the same species live together cooperatively in organized communities…