Unit 2 Flashcards
process that continues from conception to death.
Development
includes changes in bodily appearance and structure.
Physical Development
includes changes in social and emotional aspects of
personality
Psychosocial Development
changes in the thought processes that could affect
language, learning abilities and memory.
Cognitive Development
a progressive series of change leading to improvement;
also referred to as development.
Qualitative Changes
refer to the measurable changes in an individual, also referred to
as growth.
Quantitative Changes
provides all the raw materials and hidden potentials of an individual. It is a process whereby traits of parents are handed down to their offspring via the genes
Heredity
determines the manner by which the raw materials are to be shaped. It refers to all the forces that affect man like physical, natural and social forces.
Environment
thread-like or rope-like bodies that contain the genes and usually
found in pairs.
Chromosomes
bearers of hereditary traits. Dominant genes – are strong genes; while
Recessive genes – are weak genes.
Genes
PRINCIPLES/LAWS OF HEREDITY
- Principle of reproduction
- Principle of variation
- Principle of dominance and recessiveness
- Principle of change
- Principle of sex-linked characteristics
GENETIC/BIOLOGICAL ENGINEERING
- In-vitro fertilization
- Artificial insemination by donor
- Surrogate motherhood
- Cloning/mapping
starts from conception to birth.
Pre-natal Period
starts from fertilization to two
weeks
Period of the Ovum or Germinal Stage
begins from the second
week to eight weeks or two months
Period of the Embryo or Embryonic Stage
covers the eight weeks to birth.
Period of the Fetus or Fetus Stage