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meaningful title, minor English corrections
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David
David
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What is shown in following Interpretation of picture? of human chromosomes

enter image description here

Are theyDoes this picture show sister chromatids or homologous chromosomechromosomes? If they are homologous then what is YY? If they are sister chromatids then do homologous chromosomechromosomes ever appear like this (with the centromere)? AreDo sister chromatids exisingexist only in prophase-I to anaphase-I of meiosis?

What is shown in following picture?

enter image description here

Are they sister chromatids or homologous chromosome? If they are homologous then what is YY? If they are sister chromatids then do homologous chromosome ever appear like this (with the centromere)? Are sister chromatids exising only in prophase-I to anaphase-I of meiosis?

Interpretation of picture of human chromosomes

enter image description here

Does this picture show sister chromatids or homologous chromosomes? If they are homologous then what is YY? If they are sister chromatids then do homologous chromosomes ever appear like this (with the centromere)? Do sister chromatids exist only in prophase-I to anaphase-I of meiosis?

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BEWARB
BEWARB
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What is shown in following picture?

enter image description here

Are they sister chromatids or homologous chromosome? If they are homologous then what is YY? If they are sister chromatids then do homologous chromosome ever appear like this (with the centromere)? Are sister chromatids exising only in prophase-I to anaphase-I of meiosis?