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Chromosomes line up along in the equator not in homologous pairs?
Wiki User
∙ 13y ago
Metaphase. What's the difference? Whether it's IN homologous or NOT, they're both Metaphase..... Stupid worksheet. I hate you group 3. :(
Wiki User
∙ 13y ago
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Why are fruit fies an ideal organism for genetic research?
Fruit flies are prolific breeders, have 4 pairs of chromosomes, and have easily distinguishable chromosomes.
What do the genetic codes xx and xy mean?
There are 22 autosomal chromosomes and 2 sex chromosomes in humans. In all the other chromosomes, the homologous pairs match up genetic loci. However, in human sex chromosomes the X and Y chromosome are different (with the X chromosome being much larger and the Y chromosome carrying genes that cause "maleness"). Someone with an X and a Y chromosome is a male because he has a Y chromosome that carries the genes that code for "maleness". Females "lack" this Y chromosome, and thus show characteristic female phenotypes.
Why crossing over takes place?
Occurs during prophase I of meiosis (pachytene) in a process called synapsis. Crossover usually occurs when matching regions on matchingchromosomes break and then reconnect to the other chromosome. The value of crossing over is that each parent has a different daughter cell.
How genetic information is kept constant through cell division?
when cell division occurs chromosomes segregate & also the genes present in pairs on then as the genes store genetic information it is kept constant though cell division
Distinct threadlike structures containing genetic information are called?
They may be called several things. They could be called Chromosomes (however these are when the genetic information has been aggregated into bodies (usually resembling an X). It can be called DNA (meaning deoxyribonucleic acid) which is the long strand of information made of up base pairs which resembles a twisted ladder. A small segment of that ladder which produces only one protein may be called a Gene. (from whence we get the term genetics). When DNA is being used to make pieces of the cell and produce stuff in genera, it is transcoded into RNA (Ribonucleic Acid) which is a temporary form of the genetic information which can be taken from the nucleus of the cell where the DNA is stored and turned into protein elsewhere. This form of RNA is known as Messenger (m)RNA. containing genetic information: Chromatin condenses to form chromosomes. These distinct, threadlike structures contain the genetic information or DNA.
In what phase of meiosis does chromosomes line up along equator not in homologous pairs?
AnaPhase1
What happens in metaphase 1?
pairs of homologous chromosomes move to the equator of the cell
What is the name phase of homologous chromosomes lined up at the equator in pairs?
metaphase I of meiosis
How many chromosomes are at the metaphase II equator?
There are two chromosome that are at the metaphase II equator. Chromosomes are already duplicated and are homologous pairs in Metaphase II.
Where are homologous pairs of chromosomes not normally found in?
Homologous pairs of chromosomes are not normally found in a zygote.
What chromosomes align single file along the equator of a haploid cell?
during the metaphase. and they are called sister chromatids, not double chromosomes
Chromosomes normally occur as homologous pairs in?
Chromosomes normally occur as homologous pairs in a diploid cell. These refers to matching pairs of chromosomes which are found in the cell.
What is a result if a species have homologous chromosomes?
It has pairs of matching chromosomes.
What are the matching pairs of chromosomes in the diploid cell called?
They are called homologous chromosomes (but can also be referred to as homologues or homologs).
How many homologous pairs of chromosomes does a diploid human cell have?
A human gamete does not have any pairs of homologous chromosomes. A single human gamete contains 23 chromosomes, or a half set. None of these chromosomes are homologous with each other.
What can homologous chromosomes be called?
chromosome pairs
How many pairs of homologous chromosomes are found in human body cells?
Human cells have 23 homologous pairs. They also must go through meiosis before that. Females have 2 X chromosomes, while Males have an X and a Y chromosome. That's why the males cells decide the gender of the child.
