How many cells are produced after telophase?
How many cells are produced at the end of telophase 2?
When looking at a plant cell in late telophase What is the volume of the two new cells relative to a mature cell?
What is the volume of the two new cells relative to a mature cell? a plant cell in late telophase has a higher volume relative to an immature cell- it has not undergone full cytokinesis yet.
How many chromosomes are in a cell during Telophase?
How many chromosomes do human daughter cells have?
What does N and C mean in meiosis?
We use “c” to represent the DNA content in a cell, and “n” to represent the number of complete sets of chromosomes. In contrast, the 4 cells that come from meiosis of a 2n, 4c cell are each 1c and 1n, since each pair of sister chromatids, and each pair of homologous chromosomes, divides during meiosis.
Which chromosome has highest DNA content?
What is C value in DNA?
C-value is the amount, in picograms, of DNA contained within a haploid nucleus (e.g. a gamete) or one half the amount in a diploid somatic cell of a eukaryotic organism. …
What is C paradox?
The C value paradox is that the amount of DNA in a haploid genome (the 1C value) does not seem to correspond strongly to the complexity of an organism, and 1C values can be extremely variable. The organism can regulate the C value, for example, by deleting stretches of sequence in heterochromatic regions.
What does 2n 2c mean?
2n 2c means two homolog (diploid) unreplicated chromosomes (two chromatids).
Why is it called satellite DNA?
The name “satellite DNA” refers to the phenomenon that repetitions of a short DNA sequence tend to produce a different frequency of the bases adenine, cytosine, guanine and thymine, and thus have a different density from bulk DNA such that they form a second or ‘satellite’ band when genomic DNA is separated on a …
What are the two types of satellite DNA?
The two types are OwlAlp1 and OwlAlp2, and comparison of their consensus sequences with each other and with those of alpha satellite DNAs of other New World monkeys appears to support the hypothesis that OwlAlp2 is the ‘standard’ alpha satellite DNA.
Is satellite a DNA?
Satellite DNA, also known as tandemly repeated DNA (TR-DNA), represents a class of repetitive elements consisting of clusters of short repeated sequences, and is divided into several categories according to the size of the individual repeats (Li, 1997; Eisen, 1999).
What is difference between repetitive DNA and satellite DNA?
Hint: DNA and RNA are the nucleic acids present in the cells. RNA is mostly single-stranded while DNA is a double-stranded molecule….
|Repetitive DNA||Satellite DNA|
|It includes both highly repetitive andmiddle repetitive DNA.||It represents the highly repetitive DNA.|
What are DNA repeats?
Repeated sequences (also known as repetitive elements, repeating units or repeats) are patterns of nucleic acids (DNA or RNA) that occur in multiple copies throughout the genome.
What are the types of satellite DNA?
Satellite DNA consists of arrays of tandem repeats or repeats arranged side-by-side. The short tandem repeats (1-2 bp long) are called microsatellite or simple sequence repeats (SSRs), while the longer tandem repeats (10-60bp long) are called minisatellites or variable number tandem repeats (VNTRs).
What do you mean by repetitive DNA?
Repetitive DNA: DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed highly repetitive DNA consists of short sequences, 5-100 nucleotides, repeated thousands of times in a single stretch and includes satellite DNA.
What are the types of repetitive DNA?
Repetitive DNA can be divided into two classes: the tandem repetitive sequences (known as satellite DNA) and the interspersed repeats. The term satellite is used to describe DNA sequences that comprise short head-to-tail tandem repeats incorporating specific motifs.
Why is repetitive DNA important?
Generic repeated signals in the DNA are necessary to format expression of unique coding sequence files and to organise additional functions essential for genome replication and accurate transmission to progeny cells.
Which is an example of highly repetitive DNA?
DNA mini-satellite is an example of highly repetitive DNA.
What is single copy DNA?
Single-copy DNA is a unique sequence that code for proteins and undergoes transcription. These are found in exons or the euchromatin. • Repetitive DNA is the sequence that has repeated sequences of nucleotides in the DNA and that don’t code for proteins. These are found in introns or the heterochromatin.
Are introns highly repetitive?
These highly repetitive DNA sequences differ from unique, single copy gene sequences in a number of key respects: Example: An example of a gene sequence is an exon, while an intron may be an example of non-coding, repetitive DNA.
What percent of the human genome is composed of highly repetitive DNA?
What is the length of human DNA?
about 3 meters
How many base pairs are in DNA?
3 billion base pairs