homologous set

Listing 1 - 10 from 10 for homologous set

Cereal (Grain) Photos #1
... ) composed of 6 sets of chromosomes (AA, BB & CC), each set with 7 chromosomes (A=7, B=7, C=7). Therefore, ... set of rye chromosomes (D) and 3 sets of wheat chromosomes (ABC), a total of 28 chromosomes (7 + 21). It is sterile because the rye (D) set has no homologous set ... and donkey chromosomes differ in number and they are not homologous. Therefore, the horse and donkey chromosome doublets fail to pair ...
waynesword.palomar.edu

Exam #3 Hints
... synaptic failure because there is a third set of chromosomes that has no homologous set to pair up with. Since ... the maternal and paternal sets of chromosomes have a homologous set of chromosomes to pair up with. Therefore, tetraploid ... set of rye chromosomes (D) and 3 sets of wheat chromosomes (ABC), a total of 28 chromosomes (7 + 21). It is sterile because the rye (D) set has no homologous set ...
waynesword.palomar.edu More from this site

Research Activities
... of this project is to undertake systematic studies of temperature effects on flowering and seed set in SDP. Title: Effect of water stress and irradiance on root formation in Sturt's ... during meiosis the normal pairing of chromosomes can not properly take place since one set will have no homologous set to pair with, and gametes fail to form. Other Titles: 1- Exploring new ...
www.une.edu.au

PlanetaCactus: Cactus genetics - Mendel's Law
... " are called genes, which are located in specific places of the chromosomes called locus. The homologous chromosomes have the same genes, of such form, that they correspond point by point exactly ... pure, if they are different, heterozygous or hybrid. The set of the genes of an individual is called genotype, and the set of characteristics of this individual is called phenotype. Second law ...
english.planetacactus.com

PMB - Plant & Microbial Biology Department, UC Berkeley
... and meiosis, to understand changes in chromosome structure and behavior that lead to pairing of homologous chromosomes during meiotic prophase and their segregation at Meiosis I and II. We use ... and dissect these processes by isolating algal and plant mutants. We use a diverse set of techniques, including genetics, physiology, biochemistry, and molecular biology, focused on one particular species, ...
plantbio.berkeley.edu

UMass Amherst Microbiology | Faculty
... regulators (SoxR, MarR and RamR) to three homologous transcriptional activators (SoxS, MarA and RamA) to regulate a similar but not completely overlapping set of genes coding for key metabolic ... that occurred around this time. Because, these transcriptional activators historically bound the same set of genes we are using comparative experimental and computational approaches for determining the ...
www.bio.umass.edu

CPN Samples
... for developing anthers and ovaries to evaluate meiosis. One searches for abnormal chromosome segregation and homologous pairing with lagging and unmatched chromosomes and fragments (e.g. Grant, 1981). Technical help is ... mentioned in the usual procedure instructions: After covering your preparation with the coverslip, let it set for about four to six hours for the stain to absorb. Secondly, to get ...
www.carnivorousplants.org

Forestry Glossary: H is for ... hilum hectare habitat
... of a second to billion of years. haploid (n.) A cell that contains only one set of chromosomes. head (n.) A compact group of flowers in a cluster at the end ... or more species of organisms, and derived from a single character in their common ancestor. (homologous, adj.) hot climate (n.) Mean annual temperature over 21ºC. Usually: Rain forest in equatorial ...
www.icogitate.com

Genes and Things
... where germ cells are reduced to pollen cells or ovules, often results in swapping of homologous segments between members of a pair of chromosomes. A mutation can also be the deletion ... a tetraploid by doubling the chromosomes, you can retain the old functions by preserving one set of genes in the original form. But you can take advantage of the redundancy to ...
www.shieldsgardens.com

UCMP Glossary: H
... have special adaptations to permit them to survive under these conditions. haploid -- Having a single set of chromosomes in the nucleus of each cell. Mosses, and many protists and fungi, ... be packaged into chromosomes. holdfast -- Anchoring base of an alga. homology -- Two structures are considered homologous when they are inherited from a common ancestor which possessed the structure. This may be ...
www.ucmp.berkeley.edu

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