The chromatids are attached to each other at the Centromere. Hope that helps have a nice day.
Sister chromatids are attached to each other in the part of the chromosome called the centromere.
Centromere
the centromere
At the region called the centromere.
centromere
centromere
centromere
Centromere
EACH CHROMOSOME WILL PRODUCE ONE DUPLICATE CROMATID FOR ITSELF AND THE TWO CHROMATIDS WILL GET ATTACHED TO EACH OTHER THROUGH THE CENTROMERE.SO AFTER DUPLICATOIN 16 SISTER CHROMATIDS WILL BE PRESENT BUT TOTALLY(16 ORIGINAL CHROMATIDS + 16 DUPLICATED CHROMATIDS) 32 CHROMATIDS WILL BE PRESENT
Sister chromatids are replicated DNA and are identical. Homologous chromosomes are not, as one comes from the mother and the other comes from the father.
Sister chromatids are pulled apart from each other during the anaphase II stage of meiosis II. From there the chromatids are taken to opposite poles of the cell and create two haploid cells.
they're identical because they are the product of replication.
Prophase. The chromosomes become more conspicuous because they gradually condense during prophase. The centrioles separate in animal cells; plant cells lack centrioles.
When all the genes of a chromosome have duplicated but are still attached, the structures that are formed are called sister chromatids. Sister chromatids are identical copies of each other, and they are held together at a specialized region called the centromere.
After DNA replication, when each chromosome exists as a pair of identical sister chromatids, the sister chromatids are tightly attached to each other at the centromere.
Centromere!
sister chromatids
Crossing-over occurs between non-sister chromatids, since (prior to crossing-over) sister chromatids are genetically identical (i.e. one is a duplication of the other). Therefore, if sister chromatids underwent a cross-over, no genetic variation would occur.
EACH CHROMOSOME WILL PRODUCE ONE DUPLICATE CROMATID FOR ITSELF AND THE TWO CHROMATIDS WILL GET ATTACHED TO EACH OTHER THROUGH THE CENTROMERE.SO AFTER DUPLICATOIN 16 SISTER CHROMATIDS WILL BE PRESENT BUT TOTALLY(16 ORIGINAL CHROMATIDS + 16 DUPLICATED CHROMATIDS) 32 CHROMATIDS WILL BE PRESENT
A chromatid really only exists during the first two stages of mitosis(prophase and metaphase). This is when the DNA has been replicated and the chromosomes essentially is composed of 2 identical segments.
The Centromere, use the wiki article for further reading.
Homologous chromosomes is a pair made of a paternal and maternal chromosomes. But sister chromatid is either pairs of paternal or maternal chromosomes
Sister chromatids are replicated DNA and are identical. Homologous chromosomes are not, as one comes from the mother and the other comes from the father.
A bivalent.Sister chromatids are normally joined at the centromere. When homologous chromosomes pair, the two sister chromatids of one chromosome join with the two sister chromatids of the other chromosome. So it is really the joining of non-sister chromatids that is special.The word "bivalent" refers to the temporary combining of the two chromosomes (four chromatids). The bivalent forms in prophase I of meiosis, and is split in anaphase I.
Centromere