Foundations of Development (PSYM130) Flashcards
These carry the hereditary information that will be the basis for the organism’s development
DNA
These are functional units of heredity composed of many segments of DNA
Genes
These are coils of DNA that store and transmit genetic information
Chromosomes
What are the 2 types of chromosomes?
Gametes / Sex Chromosomes and Autosomes
These are permanent alterations to genes or chromosomes and may have harmful effects
Mutations
The product of the union of a sperm and ovum
Zygote
How many pairs of chromosomes does a human body have?
23
This is the complete sequence of genes in the human body
Human Genome
Two or more alternative forms of a gene that occupy the same position on paired chromosomes and affect the same trait
Allele
True or False: Dominant Inheritance is when two identical recessive alleles result in the passing down of a nondominant allele
False, this is a Recessive Inheritance
Differentiate Genotype and Phenotype
Genotype is the genetic makeup of a person consisting of both internal and external characteristics. Phenotype is solely the observable or evident traits of a person
This is the process of combining genetic and environmental factors to produce certain complex traits
Multifactorial Transmission
This is a mechanism that turns genes on or off and determines the function of body cells
Epigenesis
Name at least 3 Reproductive Technologies
Artificial insemination
In vitro fertilization (IVF)
Cryopreservation of gametes or embryos
Fertility medication
Traditional surrogacy
Gestational carrier
Name at least 3 Prenatal Diagnostic Methods
Amniocentesis
Chorionic villus sampling (CVS)
Embryoscopy/Fetoscopy
Ultrasound (sonogram)
Maternal blood analysis
Ultrafast magnetic resonance imaging (MRI)
Preimplantation genetic diagnosis
Umbilical cord sampling (cordocentesis)
This is the type of Gene-Environment Correlation where children evoke responses that are influenced by the child’s heredity and these responses strengthen the child’s original style
Evocative Correlation
This is the union of a sperm and egg cell to form a new organism
Conception
The period between conception and birth
Gestation
This gestational principle says development begins with the head to the lower trunk
Cephalocaudal Principle
This gestational principle says development begins with the inner parts of the body to the outer ones
Proximodistal Principle
This gestational stage is when the zygote is formed, mitosis happens and the zygote travels to the uterus
Germinal Stage
When the blastocyst has attached, the ____ will form on one side of it and will also develop organs that will nurture and protect it
Embryonic Disk
This is when rapid organogenesis occurs and is at the second to eighth week of development. Miscarriages mostly happen during this period
Embryonic Stage
This is when the organs and body parts continuously grow individually and fetuses become active organisms in the womb
Fetal Stage