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Sex characteristics

sex characteristics

Those characteristics that distinguish one sex from the other. The primary sex characteristics are the ovaries and testes and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction.

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Gender divison in two opposites is greatest mistake of manki

... you have observed in old people is simply the result of the loss of the sexual hormones. People are not turning into the opposite sex. They are simply ... they no longer have the hormones that produce the secondary sexual characteristics. If you look at prepubescent children you will see the same ...

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by animartco
Sun Jul 06, 2014 2:48 pm
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 25
Views: 17808

Lots of questions of heredity

... with known genotype? Dihybrid 6. What is a chromosome that is not a sex chromosome? Somatic. 7. What is the study of the heritable changes that ... involving changes in the DNA sequence? 8. What is the acquisition of characteristics by the transfer of genetic info from one generation to another? ...

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by ripplebunny
Fri Oct 29, 2010 10:34 pm
Forum: Genetics
Topic: Lots of questions of heredity
Replies: 9
Views: 12887

Recombination in RNA viruses,Ruzic,Kovac

... studies) since they may not accurately re¯ect true genetic or antigenic characteristics. Evolutionary advantages of recombination Theoretical explanations for the evolution of recombination and hence some aspects of sexual reproduction tend to ®t into one of two standard classes : (1) that it ...

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by anakovacevic
Sat Jun 12, 2010 8:28 pm
Forum: Cell Biology
Topic: Recombination in RNA viruses,Ruzic,Kovac
Replies: 2
Views: 35256

Buller and the origin of promiscuity among modern humans

... mechanism of lust designed to promote promiscuous mating. Psychological characteristics that subsequently emerged during human evolutionary history ... human mating psychology is correct, we are not “of one mind” about our sexual relationships. Rather, we possess competing psychological urges. ...

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by gruesomehound
Sun Sep 13, 2009 4:30 pm
Forum: Evolution
Topic: Buller and the origin of promiscuity among modern humans
Replies: 0
Views: 3390

Why do you keep talking about species

... nonsensde to Animal phyla Phylum Meaning Common Name Distinguishing characteristics Species described Acanthocephala Thorny headed worms Thorny-headed ... Straight swim Single layer of ciliated cells surrounding a mass of sex cells about 20 Phoronida Zeus's mistress Horseshoe worms U-shaped gut ...

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by gamila
Mon Jun 29, 2009 5:35 pm
Forum: Evolution
Topic: Why do you keep talking about species
Replies: 23
Views: 49850
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