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ReproductionGene_Rev

Ch16_TestReview_Reproduction_Genetics

QuestionAnswer
The way the endocrine system maintains homeostasis is often compared to a ____________________________ that turns a furnace on and off to control a room's temperature. heating system
An individual's body becomes able to reproduce during _________________. puberty
List the first nine months of human development in the correct order? zygote, embryo, fetus
Why does a person who inherits an allele for curly hair and an allele for straight hair have curly hair? the allele for curly hair is dominant
A fertilized egg develops in the ______________. uterus
The endocrine system controls the body's daily activities and _________________________. long-term changes
_____________ are an organism's physical characteristics. Traits
The stage when children become adults physically and mentally is called _________________________. adolescence
After people reach the age of about 30, the process of ____________________ begins. aging
A(n) ____________________ allele is one whose trait always shows up in an organism that has inherited that allele. dominant
Human eggs are usually fertilized in the _________________. oviduct
The ______________________ links the endocrine system and the nervous system. hypothalamus
The hormone ____________________ controls the development of male characteristics. testosterone
_______________ are different forms of a gene. Alleles
Which structure is formed when fertilization occurs? zygote
Hormones cause changes only in specific body organs because they interact only with ______________________, which fit together with specific hormones. target cells
____________________ reproduction results in offspring that are not exactly like either parent. Sexual
A DNA molecule contains ______________. genes
A human usually learns to walk during the stage of development known as ____________________. infancy
Strong muscle contractions of the uterus cause the cervix to enlarge during ____________. labor
One important function of ovaries is to produce ____________________ cells. egg
The endocrine system acts on the body through chemical products called ____________________. hormones
When a human egg is not fertilized, extra blood and tissue from the uterus are released through the vagina in a process called _______________________. menstruation
Nutrients from the mother pass to the developing embryo through a membrane called the _______________. placenta
The _________________________ controls the body's daily activities and long-term changes. endocrine system
What happens during the stage of childbirth called delivery? a baby comes out of the mother’s body
A developing human is called a(n) ____________________ between the ninth week of development and birth. fetus
Sperm are produced in the ________________. testes
The endocrine system controls the amount of a particular ____________________ in the blood by stopping its release when it reaches a certain level. hormone
An offspring that is the result of ______________ reproduction inherited genes from a single parent. asexual
Which time period makes up the stage of development called childhood? ages 2-13
A(n) ____________________ is a segment of a DNA molecule containing information that governs a specific trait. gene
The endocrine system maintains ____________________, or internal balance, through negative feedback. homeostasis
What leaves the mother's body during the stage of childbirth called afterbirth? the placenta
Created by: jeremyjohnston
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