what is the difference between a chromosome and a chromatid?
235714
A chromosome consists of a single, double-stranded DNA molecule. Chromatids are two molecules of double-stranded DNA joined together in the center by a centromere. Chromosomes have a thin ribbon-like structure. Chromatids have a thin and long fibrous structure.
298704
The chromosome consists of a single chromatid and is decondensed (long and string-like). The DNA is copied. The chromosome now consists of two sister chromatids, which are connected by proteins called cohesins.
462350
CHROMOSOMAL STRUCTURE A chromatid is a condensed DNA subunit of a chromosome. The two chromatids of a duplicated chromosome are held together at a region of DNA called the centromere (see figure below).
405169
Chromosomes contain tightly packed DNA molecules while in case of chromatids, the DNA molecules are unwound. A chromosome is made up of a single, double-stranded DNA molecule while a chromatid comprises of two DNA strands joining collectively by their centromere. The chromatids contain a substance called chromatin.
572134
Difference Between Plasmid DNA And Chromosomal DNA Plasmid DNA is a part of extrachromosomal DNA that is separated from the genomic DNA. It typically occurs inside the prokaryotic cells and is circular in nature. ... Chromosomal DNA, on the other hand, is the genomic DNA found in prokaryotic and eukaryotic entities.
835692
They differ in having the number of chromosomal sets. Gametes have the haploid number of chromosomes as the one gamete is able to fuse with another one to form a diploid cell which is the zygote. Somatic cells re diploid cell having two full sets of chromosomes.
590912
The basic construction of chromosomes (made of chromatin) and structure (long but scrunched up) is the same in all animals. The difference is that each species has its own set number of chromosomes. For instance, all human cells (except gametes) have 46 chromosomes.
500576
The chromatids are made of a substance called chromatin. This is a single, very long strand of DNA. ... The chromatin is copied, so you now have 92 strands, that are each spiraled up to form the chromatids. The 2 copies of each chromatid are joined together by a centromere to form a chromosome.
783870
The main difference between homologous and non-homologous chromosomes is that homologous chromosomes consist of alleles of the same type of genes in the same loci whereas non-homologous chromosomes consist of alleles of different types of genes.
1309775
DNA makes chromatin while chromatin makes up chromosomes. In the nucleus, chromatin is condensed during cell division to form chromosomes. A chromatid is one of the paired and parallel strands of duplicated chromosome joined by a single centromere. ... chromosomes are made of a mixture of DNA and proteins.
1292489
As the above image shows, there are 8 chromosomes present, but 16 chromatids. Similarly, in humans (2n=46), there are 46 chromosomes present during metaphase, but 92 chromatids.
35830
Answer: A key difference between mitosis and meiosis is that sister chromatids remain joined during anaphase I in meiosis, whereas in anaphase of mitosis they separate. ... In what stage of meiosis do the centromeres separate, and the two chromatids of each chromosome move to opposite poles on the spindle?
1330917
A sister chromatid refers to the identical copies (chromatids) formed by the DNA replication of a chromosome, with both copies joined together by a common centromere. In other words, a sister chromatid may also be said to be 'one-half' of the duplicated chromosome. A pair of sister chromatids is called a dyad.
1128189
Chromosomes contain tightly packed DNA molecules while in case of chromatids, the DNA molecules are unwound. A chromosome is made up of a single, double-stranded DNA molecule while a chromatid comprises of two DNA strands joining collectively by their centromere. ... Homologous chromosomes are exact to each other.
244940
Recombinant chromatids are chromosomes that have a mixture of maternal and paternal alleles instead of alleles from just a single parent. In contrast, parental chromatids carry the same combinations of alleles that were inherited from the parents.
1215293
The chromosome is made up of two identical structures held together by a centromere. Each of these identical structures is known as chromatids. ... Sister chromatids are identical pieces of DNA held together by a centromere and pulled apart during cell division to make new identical chromosomes in the newly made cells.
1081698
chromosome is DNA tightly coiled around histones (proteins) homologous chromosomes are two different copies of the same chromosome, and sister chromatids are two identical copies of a chromatin connected by a centromere.