Use of Databases to Identify Gene Loci Use of databases to identify the locus of a human gene and its polypeptide product Following the sequencing of the whole human genome, we now know the exact l...
Karyograms During the stages of mitosis, chromosomes condense (become visible) This is most notable in metaphase Staining can reveal distinctive banding patterns on chromosomes at this stage The po...
Sex Determination Sex is determined by an entire chromosome pair (as opposed to most other characteristics that are just determined by one or a number of genes) Females have the sex chromosomes (pa...
Haploid Haploid nuclei have one chromosome of each pair Haploid cells contain one complete set of chromosomes (n) In other words, they have half the number of chromosomes compared to normal body ce...
Eukaryotic Chromosomes Chromosomes in eukaryotic cells are one, very long DNA molecule associated with proteins The main proteins present are the large, positively charged globular proteins called ...
Prokaryotic Chromosomes The DNA in prokaryotic cells is significantly different from the DNA found in eukaryotic cells Prokaryotes do not contain a nucleus therefore the DNA is located in the cytop...
Genome The total of all the genetic information in an organism is called the genome of the organism This is a complete set of genes present within every cell of an organism This includes all genes ...
“没有绘画基础，能否学习IB视觉艺术课程？”——无论是IB选课，或是个人兴趣爱好的沉淀，这都是许多“白纸”般的学生们会普遍面临的问题。 如果我们抛开“IB”这一标签，艺术作为一门抽象学科，我们往往很难去量化某个人...
Mutation A gene mutation is a change in the sequence of base pairs in a DNA molecule; this may result in a new allele Mutations occur all the time and at random There are certain points in the cell...
