Question 1

In mammals,the SRY gene is passed on by

Accepted Answer

A)  males. 
B)  females. 
C)  both males and females. 
A)  males. 
B)  females. 
C)  both males and females. A

Question 2

__________________ is the male sex hormone,responsible for secondary sexual characteristics.

Accepted Answer

Testosterone

Question 3

Explain what kind of growth occurs in a child during the first few postnatal years.

Accepted Answer

During the first few postnatal years, children experience rapid physical, cognitive, and emotional growth. Physically, they go through significant changes in size, strength, and coordination as they learn to sit up, crawl, walk, and eventually run. Their brains also undergo rapid development, leading to increased language skills, problem-solving abilities, and social understanding. Emotionally, children begin to form attachments to caregivers, develop a sense of self, and learn to regulate their emotions. Overall, the first few postnatal years are a period of incredible growth and development in all areas of a child's life.

Question 4

Why are the testes suspended outside the body in humans?

Accepted Answer

The answer of Why are the testes suspended outside the...

Question 5

The layer of cells called the endoderm in the developing embryo eventually gives rise to

Accepted Answer

A)  epidermis and nervous system. 
B)  connective tissue and muscle. 
C)  the lining of the digestive system and associated organs. 
D)  hair and nails. 
A)  epidermis and nervous system. 
B)  connective tissue and muscle. 
C)  the lining of the digestive system and associated organs. 
D)  hair and nails.

Question 6

Which sexually transmitted disease if not treated can lead to blindness,heart disease,and mental deficiency?

Accepted Answer

A)  Syphilis 
B)  Genital herpes 
C)  Gonorrhea 
D)  Chlamydia 
A)  Syphilis 
B)  Genital herpes 
C)  Gonorrhea 
D)  Chlamydia

Question 7

Single-celled organisms like Euglena often reproduce by an asexual division of the organism called ________________.

Accepted Answer

The answer of Single-celled organisms like Euglena often reproduce by...

Question 8

The developing embryo is termed a fetus at what stage?

Accepted Answer

A)  After the third month 
B)  At the end of the first trimester 
C)  At the ninth month of pregnancy 
D)  At the end of the second trimester 
A)  After the third month 
B)  At the end of the first trimester 
C)  At the ninth month of pregnancy 
D)  At the end of the second trimester

Question 9

In humans,how many ova are produced from one primary oocyte?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  8 
A)  1 
B)  2 
C)  4 
D)  8

Question 10

The downy hair that covers the fetus in the fifth month of development is known as _____________.

Accepted Answer

The answer of The downy hair that covers the fetus...

Question 11

After spermatogenesis,where do sperm mature?

Accepted Answer

A)  In the seminal vesicle 
B)  In the epididymis 
C)  In the vas deferens 
D)  In the urethra 
A)  In the seminal vesicle 
B)  In the epididymis 
C)  In the vas deferens 
D)  In the urethra

Question 12

An egg needs to be fertilized within twenty-four hours of ovulation.

Accepted Answer

A) True 
 B)False

Question 13

Genital herpes is the most common STD in the United States.

Accepted Answer

A) True 
 B)False

Question 14

Which hormone,secreted by the embryo,is tested for in all pregnancy tests?

Accepted Answer

A)  Luteinizing hormone 
B)  Follicle-stimulating hormone 
C)  Progesterone 
D)  Estrogen 
E)  Human chorionic gonadotropin 
A)  Luteinizing hormone 
B)  Follicle-stimulating hormone 
C)  Progesterone 
D)  Estrogen 
E)  Human chorionic gonadotropin

Question 15

During the stage called neurulation,a flexible rod,called a _______________,forms along the midline of the dorsal surface of the embryo.

Accepted Answer

A)  dorsal nerve cord 
B)  neural groove 
C)  somite 
D)  notochord 
A)  dorsal nerve cord 
B)  neural groove 
C)  somite 
D)  notochord

Question 16

The sexually transmitted diseases _____ and _____ can cause pelvic inflammatory disease in which fallopian tubes become scarred and blocked.

Accepted Answer

A)  syphilis;genital herpes 
B)  gonorrhea;genital herpes 
C)  gonorrhea;chlamydia 
D)  chlamydia;syphilis 
A)  syphilis;genital herpes 
B)  gonorrhea;genital herpes 
C)  gonorrhea;chlamydia 
D)  chlamydia;syphilis

Question 17

What stage of development is the embryo when it implants in the lining of the uterus?

Accepted Answer

A)  Zygote 
B)  Morula 
C)  Blastocyst 
D)  Gastrula 
A)  Zygote 
B)  Morula 
C)  Blastocyst 
D)  Gastrula

Question 18

During the follicular phase of the female menstrual cycle,estrogen is produced by the

Accepted Answer

A)  uterus. 
B)  developing zygote. 
C)  anterior pituitary. 
D)  developing follicles. 
A)  uterus. 
B)  developing zygote. 
C)  anterior pituitary. 
D)  developing follicles.

Question 19

During which period of prenatal development is it especially critical not to consume alcohol and why?

Accepted Answer

The answer of During which period of prenatal development is...

Question 20

The monthly reproductive cycle of a human female is more accurately called the ______________ cycle.

Accepted Answer

The answer of The monthly reproductive cycle of a human...

Exam 31: Reproduction and Development

In mammals,the SRY gene is passed on by

__________________ is the male sex hormone,responsible for secondary sexual characteristics.

Explain what kind of growth occurs in a child during the first few postnatal years.

Why are the testes suspended outside the body in humans?

The layer of cells called the endoderm in the developing embryo eventually gives rise to

Which sexually transmitted disease if not treated can lead to blindness,heart disease,and mental deficiency?

Single-celled organisms like Euglena often reproduce by an asexual division of the organism called ________________.

The developing embryo is termed a fetus at what stage?

In humans,how many ova are produced from one primary oocyte?

The downy hair that covers the fetus in the fifth month of development is known as _____________.

After spermatogenesis,where do sperm mature?

An egg needs to be fertilized within twenty-four hours of ovulation.

Genital herpes is the most common STD in the United States.

Which hormone,secreted by the embryo,is tested for in all pregnancy tests?

During the stage called neurulation,a flexible rod,called a _______________,forms along the midline of the dorsal surface of the embryo.

The sexually transmitted diseases _____ and _____ can cause pelvic inflammatory disease in which fallopian tubes become scarred and blocked.

What stage of development is the embryo when it implants in the lining of the uterus?

During the follicular phase of the female menstrual cycle,estrogen is produced by the

During which period of prenatal development is it especially critical not to consume alcohol and why?

The monthly reproductive cycle of a human female is more accurately called the ______________ cycle.

The Science of Biology

The Chemistry of Life

Molecules of Life

Cells

Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Meiosis

Foundations of Genetics

DNA: The Genetic Material

How Genes Work

The New Biology

Evolution and Natural Selection

Exploring Biological Diversity

Evolution of Microbial Life

Evolution of Plants

Evolution of Animals

Populations and Communities

Ecosystems

Behavior and the Environment

How Human Influence the Living World

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Body Defends Itself

The Nervous System

Chemical Signaling Within the Animal Body

Plant Form and Function

Plant Reproduction and Growth

Filters

The sexually transmitted diseases _ and _ can cause pelvic inflammatory disease in which fallopian tubes become scarred and blocked.