When a single chromosome has completed replication it now?

When a single chromosome has completed replication it now?

– When a single chromosome has undergone DNA replication, it consists of two sister chromatids. – The human genome consists of 23 pairs of chromosomes. – Each pair of human chromosomes (for example, two copies of chromosome 17) is called a pair of homologous chromosomes.

What is found at the end of a eukaryotic chromosome?

The ends of eukaryotic chromosomes are called telomeres.

What is the image of an individual’s complement of chromosomes arranged by size length shape and centromere location?

A karyotype is the number and appearance of chromosomes, and includes their length, banding pattern, and centromere position. To obtain a view of an individual’s karyotype, cytologists photograph the chromosomes and then cut and paste each chromosome into a chart, or karyogram, also known as an ideogram (Figure 1).

How is the end replication problem solved?

Eukaryotes have solved the end-replication problem by locating highly repeated DNA sequence at the end, or telomeres, of each linear chromosome. In prokaryotes, the end-replication problem is solved by having circular DNA molecules as chromosomes.

Why do the ends of eukaryotic chromosomes shorten with each replication cycle?

The DNA at the very end of the chromosome cannot be fully copied in each round of replication, resulting in a slow, gradual shortening of the chromosome. Thanks to these problems, part of the DNA at the end of a eukaryotic chromosome goes uncopied in each round of replication, leaving a single-stranded overhang.

What is the image of an individual’s chromosomes arranged by size length and shape?

Constricted region in a eukaryotic chromosome where sister chromatids are attached. Having two of each type of chromosome characteristic of the species. karyotype. Image of an individual’s complement of chromosomes arranged by size, length, shape, and centromere location.