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HGD1: Chapter 4 Prenatal Development

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An infection caused by a parasite that can harm an unborn baby.

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4 years ago

Date created

Mar 1, 2020

Cards (40)

Section 1

(40 cards)

An infection caused by a parasite that can harm an unborn baby.

Front

toxoplasmosis

Back

Liquid that surrounds and protects the unborn baby.

Front

amniotic fluid

Back

In the process called _________________________, a doctor fertilizes an ovum from a woman with her husband's sperm and then implants the zygote in the woman's uterus.

Front

in vitro fertilization

Back

Why should a pregnant woman avoid eating certain kinds of fish?

Front

Because of the mercury found in them.

Back

A person will have the inherited characteristic that is controlled by the ____________________, or stronger, gene.

Front

dominant

Back

How are identical twins formed, and how is this reflected in their DNA?

Front

The cell mass that develops from a fertilized egg splits in half, creating two separate cell masses

Back

Each human being receives 46 ____________________, which contain hundreds to thousands of genes.

Front

chromosomes

Back

A child who receives the recessive gene linked to a birth defect from the mother will have that birth defect if...

Front

he/she receives the same problem gene from the father.

Back

Name three sexually transmitted diseases that may be passed to a child before birth or during the birth process.

Front

(1) Syphilis. (2) Gonorrhea. (3) Hepatitis B. (4) Genital herpes. (5) AIDS. (6) Group B streptococcus. (7) Chlamydia.

Back

What medications are safe for a pregnant woman to take without checking with her doctor?

Front

No drugs are completely safe, so a pregnant woman should always check with her doctor before taking any medications.

Back

What are two options for infertile couples if the woman is unable to conceive because of a problem with her uterus?

Front

Adoption and using a surrogate mother

Back

The unexpected death of a baby under one year of age with no clear cause.

Front

SIDS (sudden infant death syndrome)

Back

A woman who lacks working ovaries might undergo a procedure known as ____________________ to treat her infertility.

Front

ovum transfer

Back

Under normal circumstances, how many chromosomes does a baby receive from each parent?

Front

23 from each parent

Back

What birth defect prevents the body from processing a specific protein that is found in nearly all foods?

Front

PKU (phenylketonuria)

Back

The treatment in which a doctor injects sperm into a woman's uterus to produce a pregnancy is called _________________________.

Front

artificial insemination

Back

A(n) ____________________ is a woman who becomes pregnant to have a baby for another woman.

Front

surrogate mother

Back

What is the term for the shift of the baby's weight downward that occurs toward the end of the pregnancy?

Front

Lightening

Back

A procedure in which an egg is fertilized outside a woman's uterus.

Front

in vitro fertilization

Back

For a pregnancy to continue after conception, what step must occur after the zygote reaches the uterus?

Front

Implantation

Back

What is the "breech presentation," and how does it impact the delivery of the baby?

Front

The fetus is in the seat-down position in the mother's pelvis.

Back

What are the possible consequences for a baby if the mother contracts rubella during pregnancy, especially the early months?

Front

(1) Blindness. (2) Deafness. (3) Heart disease. (4) Mental retardation.

Back

In recessive inheritance, which parent passes on the imperfect recessive gene?

Front

Both

Back

How do nutrients and oxygen transfer from the mother's blood to the unborn baby?

Front

The mother's bloodstream carries nutrients and oxygen to the placenta

Back

A prenatal test often used to detect Down syndrome.

Front

amniocentisis

Back

How does conception occur?

Front

A sperm reaches the Fallopian tube and penetrates and fertilizes the ovum.

Back

Where conception occurs.

Front

fallopian tubes

Back

____________________ twins are formed from two different fertilized eggs.

Front

Fraternal

Back

Name one reason why a couple might consult with a genetic counselor before having a child.

Front

A history of birth defects in either family.

Back

What is normally the first sign of pregnancy?

Front

A missed menstrual period

Back

The developing baby from about the third through the eighth week of pregnancy.

Front

embryo

Back

How does the amniotic sac help the developing baby?

Front

cushions the baby from any bumps or falls

Back

What risks do caffeine and tobacco products pose for pregnant women and their unborn babies?

Front

low birth weight

Back

What is an embryo?

Front

third through the eighth week of pregnancy

Back

What is a medical drawback to multiple births of three or more babies?

Front

The more babies a woman carries, the more difficult it is for all of the babies to survive.

Back

The complete genetic blueprint for a person is called a(n) ____________________.

Front

genome

Back

What is the longest stage of a baby's prenatal development?

Front

The fetal stage

Back

Male cell that fertilizes an ovum.

Front

sperm

Back

During the first stage of prenatal development, how does growth occur?

Front

By cell division

Back

The death of a developing baby before the 20th week of pregnancy.

Front

miscarraige

Back