[DOC] [TLE] Y chromosome - Wikipedia [PAR] The Y chromosome is one of two sex chromosomes (allosomes) in mammals, 
including humans, and many other animals. The other is the X chromosome. Y is 
the sex-determining chromosome in many species, since it is the presence or 
absence of Y that determines the male or female ..... Traits that are inherited via 
the Y chromosome are called holandric traits... [DOC] [TLE] XY sex-determination system - Wikipedia [PAR] The XY sex-determination system is the sex-determination system found in 
humans, most other ... All animals have a set of DNA coding for genes present on 
chromosomes. ... offspring with an X and a Y chromosome will develop male 
characteristics. ... In most mammals, sex is determined by presence of Y. "Female
" is the... [DOC] [TLE] hhsIBbio09 - Chromosomes X and Y [PAR] Do X and Y chromosomes usually swap genes during cell division, as do other ... 
Vertebrates determine the gender of their offspring by the presence of lack of the 
... X chromosome they are more likely to carry the recessive X-Linked genetic trait
. ... Most vertebrates, such as mammals flies and birds, determine the gender of... [DOC] [TLE] XY System Mammals Sex is determined by the presence or absence ... [PAR] XY System Mammals Sex is determined by the presence or absence of a gene 
on the ... X0 System Sex is determined by the number of X chromosomes but no 
Y ... in females (hence less frequent in women)  Sex-limited traits  Expression is
... [DOC] [TLE] Chromosomal Sex Determination in Mammals - Developmental - NCBI [PAR] The Y chromosome carries a gene that encodes a testis-determining factor. ... 
These secondary sex characteristics are usually determined by hormones .... (Sry
) also correlates with the presence of testes; it is present in XX males and absent 
in... [DOC] [TLE] Is the Y chromosome all that is required for sex determination? - NCBI [PAR] In addition to the Y chromosome, a multitude of other genes influence sex ... the 
external genitalia, the secondary sexual characteristics that appear in puberty 
and ... to determine sex, and specifically to create males with its presence led to 
the ... in the sex-determining region of Y chromosome (SRY), because its 
absence in... [DOC] [TLE] Sex chromosomes and sex-linked inheritance - An Introduction to ... [PAR] In most of these cases, sex is determined by special sex chromosomes. ... In 
mammals, the presence of the Y determines maleness and the absence of a Y... [DOC] [TLE] Biological Basis of Heredity: Basic Cell Structures [PAR] All plants and animals are composed of microscopic cells, which are the .... The 
autosomes carry the genes that determine most body characteristics. ... by the 
presence or the absence of a specific gene on the Y chromosome known as the... [DOC] [TLE] The Y chromosome: beyond gender determination - National ... [PAR] May 30, 2014 ... The presence or absence of the Y chromosome is critical because it ... explore 
the evolutionary path of the Y chromosome in various mammals. [DOC] [TLE] Scientists Say Gene On Y Chromosome Makes a Man a Man ... [PAR] Jul 19, 1990 ... They have found a key gene on the Y chromosome that seems to ... Scientists 
believe that all or most sex-linked traits and features, ... The gene was found in all 
the male mammals examined, including ... ''It was clear that sex was determined 
by the presence or absence of the Y chromosome,'' Dr. Page said... [DOC] [TLE] Y Chromosome Is More Than a Sex Switch | Science | AAAS [PAR] Apr 23, 2014 ... The small, stumpy Y chromosomepossessed by male mammals but ... Xs. The 
presence or absence of the Y chromosome is what determines... [DOC] [TLE] Citrus College - Chapter 11: Chromosomes [PAR] Chromosome stability and integrity are essential to trait transmission. ... Presence 
or absence of a sex chromosome determines maleness or femaleness in some ... 
Interestingly enough, the Y chromosome is much smaller, and therefore carries 
fewer ... In mammals, females have two X chromosomes and males have one X... [DOC]

Question: In mammals, trait determined by presence or absence of Y-chromosome
Answer: sex