17 INTO THE NETHER REGIONS Flashcards
What did Mrs. Coolidge ask her guide during the Presidential visit to a farm?
How many times the rooster copulated daily.
What was the President’s inquiry about the rooster’s mating?
Same hen every time?
Who discovered chromosomes and when?
Heinrich Wilhelm Gottfried von Waldeyer-Hartz in the 1880s.
What are the sex chromosomes for females and males?
Females have two X chromosomes; males have one X and one Y chromosome.
What did Hermann Henking discover in 1891?
An aloof chromosome in fire wasps, which he named ‘X’.
Who discovered the Y chromosome and when?
Nettie Stevens in 1905.
What was Nettie Stevens’ significant insight about the Y chromosome?
It has a role in determining sex.
What was the professional background of Nettie Stevens before her scientific achievements?
She worked as a teacher and librarian.
What is the significance of the SRY gene?
It is the sex-determining region on the Y chromosome.
How many genes does the Y chromosome have compared to other chromosomes?
The Y chromosome has about seventy genes; other chromosomes can have up to two thousand.
What is the estimated time frame for the Y chromosome to potentially vanish?
In another 4.6 million years.
Fill in the blank: Many organisms, like geckos, have abandoned _______.
sex.
What reproductive method do geckos use?
Cloning through egg production.
What are the benefits of sexual reproduction?
- Variety * Safety * Resilience * Evolution
What does the word ‘pudendum’ mean?
The external genitals, particularly those of a woman.
What percentage of respondents reported infidelity in relationships according to various studies?
Between 20 percent and 70 percent.
What issue arises when survey respondents answer questions about sexual behavior?
They may provide alternative realities or inaccurate answers.
What was the median time for sex reported in Britain?
Nine minutes.
What is the average energy use per sexual session for men and women?
- Men: about 100 calories * Women: about 70 calories
What is often said about the genetic differences between men and women compared to those between humans and chimpanzees?
There are more genetic differences between men and women.
What percentage more fat do women carry compared to men?
About 50 percent more fat.
What health issues do women suffer from more frequently than men?
- Alzheimer’s disease * Autoimmune diseases
How do women metabolize alcohol compared to men?
Women metabolize alcohol differently, getting intoxicated more easily.
What anatomical feature do women uniquely possess that is crucial for mitochondrial inheritance?
Women are the sacred keepers of human mitochondria
Mitochondria are vital powerhouses of cells and are passed down only through mothers.
How do women metabolize alcohol compared to men?
Women metabolize alcohol differently, getting intoxicated more easily and succumbing to alcohol-related diseases faster than men do.
What are the typical symptoms of a heart attack in women?
Women are more likely to experience abdominal pain and nausea during a heart attack.
True or False: Men and women experience heart attacks in the same way.
False
What is a significant difference in immune response between men and women?
Men are more vulnerable to infection than females.
What historical bias existed in drug trials regarding female participants?
Drug trials often excluded women due to fears that menstrual cycles could skew results.
What was the consequence of the exclusion of women in drug trials?
Women and men can respond to drugs in very different ways, often overlooked by clinical trials.
What is the average amount of semen released at orgasm?
3 to 3.5 milliliters (about a teaspoonful).
What structure in female anatomy connects the vulva to the uterus?
Vagina
What is the cervix’s role in the female reproductive system?
The cervix serves as a gatekeeper, deciding when to let substances in and out.
Fill in the blank: The fleshy mound above the vulva is called the _______.
mons pubis
What is the G spot, and who is it named after?
An erogenous spot on the wall of the vagina named after Ernst Gräfenberg.
True or False: The visible part of the clitoris is the entirety of the clitoris.
False
What are the main external parts of male reproductive anatomy?
Penis, testicles, and scrotum.
What is the function of the epididymis in male anatomy?
It is where sperm mature.
What is the average erect penis size range recorded by the Kinsey Institute in the 1950s?
5 to 7 inches.
What is one reason suggested for why human testicles are located externally?
Testicles function better in cooler air.
What was the aim of the Repository for Germinal Choice founded by Robert Klark Graham?
To stock sperm only from Nobel laureates and others of exceptional intellectual stature.
What is the total length of the epididymis in men?
Twelve meters (about forty feet).
Fill in the blank: The ovaries are connected to the uterus by _______.
Fallopian tubes
What hormone do ovaries produce in addition to storing eggs?
Estrogen and testosterone.
True or False: Women experience higher rates of Alzheimer’s disease than men.
True
What are some common autoimmune diseases that women experience at higher rates?
Various autoimmune diseases (specific diseases not listed).
