Examlex
The first control in gene activity is _______ control.
Testosterone
The most important male sex hormone. Both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs during the fetal period, and the development of the male sex characteristics during puberty.
Y Chromosomes
A sex chromosome found only in males, which contains genes that are critical for male sex determination and development.
Gender Schemas
Cognitive structures that dictate how individuals understand gender roles and expectations in society.
Spermarche
The onset of a male's ability to produce sperm, marking the beginning of puberty and reproductive capability.
Q2: A nucleic acid is a polymer made
Q15: Amebic dysentery is caused by the protozoan
Q27: Pressure for local responsiveness arises from differences
Q28: What are manufacturing technologies designed to reduce
Q28: When an egg is formed without meiosis,merely
Q31: What is a hypothesis?<br>A)A tentative statement,based on
Q34: Vertebrates have<br>A)bilateral symmetry.<br>B)eucoelomate body plan.<br>C)tube-within-a-tube body plan.<br>D)All
Q39: Specialized archaeocytes that secrete spongin are<br>A)collencytes.<br>B)sclerocytes.<br>C)choanocytes.<br>D)spongocytes.<br>E)lophocytes.Spongocytes are
Q47: Distinguish between a nucleus and a nucleoid,identifying
Q57: Glycolysis involves the conversion of 6-carbon glucose