lifespan development- connect 2

which of the following are considered teratogens

-drugs -maternal stress -infectious disease -advanced paternal age -nutritional deficiencies

which of the following are psychoactive drugs

-nicotine -marijuana -caffeine -alcohol

regarding paternal risk factors, which of the following statements are true?

-there is an increased risk of spontaneous abortion in offspring of older fathers -if a father smokes during the mother's pregnancy, there is an increased risk of miscarriage

the specialization of cells in the zygote begins after approximately which week following conception

1

organogenesis take place primarily during the first ___ months of prenatal development

2

one recent study that the rate of stillbirth was elevated for adolescent girls and for women ___ years of age and older

35

what type of gene is marked by cellular damage from an environmental agent such as radiation?

a mutated gene

what is the definition of genotype

all of the genetic material of a person

In an adoption study, investigators seek to determine whether adopted children's characteristics are:

biological or environmental

approximately one week after conception, when differentiation of the cells begins, the zygote is now a group of cells that is more specifically called the

blastocyst

___, which is sometime referred to as fertilization, occurs when a single sperm cell from the male unites with the egg from the female in a process called fertilization

conception

Gilbert Gottlieb came up with the _________ view of development

epigenetic

What unit of hereditary information is composed of short segments of DNA?

genes

___ are units of hereditary information that helps cells to reproduce themselves and manufacture the proteins that maintain life

genes

the period of prenatal development that takes place in the first two weeks after conception is known as the

germinal period

Dr.Turner studied shyness. He find Blake and Luke, identical twins, are more alike in terms of level of inhibition than are Sam and Carl, who are fraternal twins. His research indicated that __ plays an important role in shyness

heredity

interpretation the results of the adoption study and twin studies is difficult due to the complexities of:

heredity-environment interactions

AIDS is a disease that damages the body's ___ system

immune

___ is a specialized form of cell division that occurs to forms eggs and sperm

meiosis

nerve cells, which handle processing at the cellular level, are known as ___

neurons

___ describes the vast increase in genetic data generated at a much reduced cost in a much shorter time period

next generation sequencing

the female egg is known as the

ovum

sickle-cell anemia, in which red blood cells cannot carry ___ properly and die quickly, occurs most often in African Americans

oxygen

the umbilical cord connects the baby to the ___, a disk-shaped group of tissues in which small blood vessels from the mother and the offspring intertwine but do not join

placenta

the umbilical cord contains two arteries and one vein, and it connects the baby to the

placenta

The Lamaze method, a method similar to a natural childbirth, is also known as ___________ childbirth.

prepared childbirth

in a gene pair, the __ gene does NOT always exert its influence

recessive

Mothers who drink alcohol heavily during pregnancy can cause their offspring to exhibit fetal alcohol ______ disorders, or FASD, a cluster of abnormalities

spectrum

___ bifida is the incomplete development of the spinal cord

spina

the outer layer of cells that will eventually provide nutrition and support for the embryo is called the

trophoblast

T or F: the exposure of fathers to certain environmental agents can affect their offspring

true