Y Chromosome Sperm

The idea that the Y chromosome was named after its similarity in appearance to the letter "Y" is mistaken. All chromosomes normally appear as an amorphous blob under the microscope and only take on a well-defined shape during mitosis . This shape is vaguely X-shaped for all chromosomes. It is entirely coincidental that the Y chromosome, during mitosis , has two very short branches which can look merged under the microscope and appear as the descender of a Y-shape. [10]


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Y chromosome  Wikipedia

Y chromosome W...

Y chromosome microdeletion  Wikipedia

Y chromosome mi...

AXYS  The Association for X and Y Chromosome Variations

AXYS The Assoc...

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A Gene Mystery ...

The Y chromosome is disappearing  so what will happen to men

The Y chromosom...

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Chromosomes Def...

sex chromosome  Definition Examples amp Facts

sex chromosome ...

LittleKleinClineKline YChromosome Project

LittleKleinClin...

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23andMe Geneti...

Sex Chromosome Abnormalities  anthropalomaredu

Sex Chromosome ...