How many pairs of chromosomes do humans have, and the total number of chromosomes? If an organism's diploid chromosome number is 18, how many different possible combinations of homologous chromosomes lining up during meiosis exist for the eggs or sperm produced by that organism? ...
Question: Do somatic cells make gametes? Sperm and egg: Gametes or gametic cells are sperm cells in men and egg cells, or ovum, in women. The sperm is the smallest cell in the human body. The ovum is the largest cell found in the human body. ...
What chromosomes exist in somatic cells? How many chromosomes per cell are there at the end of prophase 1? How many pairs of chromosomes do capuchins have? How many chromosomes are in an egg cell and sperm? How many chromosomes do great apes have?
Packaging DNA into Chromosomes: How Do the Long Threads of DNA Fit into the Small Interphase Nucleus?Let's Consider the Following Scenarios Human cells (and cells from most other species) are so small that they can only be seen with a microscope. Yet, if you connect all the DNA molecules...
Packaging DNA into Chromosomes: How Do the Long Threads of DNA Fit into the Small Interphase Nucleus? 来自 Springer 喜欢 0 阅读量: 13 作者:CC Tseng,X Yang 摘要: Let's Consider the Following Scenarios Human cells (and cells from most other species) are so small that they can only be ...
kɔil]超螺旋 ①apictorialdisplayofanorganism‟schromosomesinthe coiled,condensedstateisknownasakaryotype. ②Karyotypesrevealthatinmostcellsallbutsex chromosomesarepresentastwocopies,referredtoas homologouspairs. ③Non-sexchromosomesarecalledautosomes. ④Organismswhosecellscontaintwosetsofparental chromosomesare...
Chapter7 ChromosomesandCelldivision Chromosomes,DNAandgenes Chromosomesarepresentinthenucleus.Whenthe cellisatrest,thechromosomesareinvisible(不能見到). Whenthecellbeginstodivide,thechromosomescan absorbaspecialstain(Aceto-carmineorAceto-orcein) andcanbeseenundermicroscope. InsidethechromosomeareDNA(Deoxyribonucleic...
Why does transcription take place in the nucleus of the cell? Why are viruses not classified as prokaryotes or eukaryotes? How does interphase prepare cells for mitosis? Why are chromosomes not condensed during interphase? What is the purpose of interphase?
A chromosome is a long piece of DNA, often containing thousands of genes. Different species have different numbers of chromosomes in their cells. Humans, for example, have 46 chromosomes, while bacteria only have one! Answer and Explanation:1 ...
(interphase)•Fibers,10-30nmindiamete•Dispersedthroughthenucleus•DNA+Proteins Chromosome(Mphase)•Celldivision,thesefiberscondenseandfoldintolarger,compactstructureChromosomesexistindifferentstatesthroughoutthelifeofacell22Chromatinandchromosome66EuchromatinEuchromatin(常染色质)(常染色质)andandheterochromatin...