Each chromosome contains many genes that direct the production of proteins needed by cells.

VOA: special.2010.03.23

One copy of the chromosome comes from the egg and one copy of each chromosome comes from the sperm, so this you know about.

其中一条染色体来自卵子,另一条来自精子,这些你们都知道

耶鲁公开课 - 生物医学工程探索课程节选

You're not fishing through a whole chromosome in order to find what you want, but you're going to a cell that's already enriched in it.

你不是大海捞针地,在一整个染色体中找基因,而是在一个充满了,你感兴趣的基因的细胞里找

耶鲁公开课 - 生物医学工程探索课程节选

But some people are born with an extra copy of the twenty-first chromosome.

VOA: special.2009.09.09

This one cell, this one fertilized cell which is unique because it's the - its chromosome contains the combination of the sperm and the egg, develops into an embryo and then on birth develops into a human.

这个受精卵,是独一无二的,因为它的染色体,包含了精子和卵子的组合,并由此发育成为一个胚胎,之后形成一个人类个体

耶鲁公开课 - 生物医学工程探索课程节选

Miscarriages are usually caused by chromosome problems that prevent the baby from developing.

VOA: special.2010.08.11

They, in some cases, they integrate their DNA into the host chromosome, that's what retroviruses do and they make viral proteins.

有些情况下,病毒DNA会整合进宿主的染色体中,逆转录病毒就是这样做的,它们还制造病毒蛋白

耶鲁公开课 - 生物医学工程探索课程节选

A chromosome contains molecules of deoxyribonucleic acid, better known as DNA.

VOA: special.2009.12.08

If I cut up just DNA from the chromosome, what's called genomic DNA, then I'm going to have both exons and introns within the fragments that I create.

如果我切割的恰好是染色体上的,基因组DNA,那我切成的片段上,就会同时有外显子和内含子

耶鲁公开课 - 生物医学工程探索课程节选

"When Darwin first proposed his theory in eighteen fifty-nine, he had no concept of a gene, no concept of a chromosome, no concept of mutation, and certainly no concept of things like DNA and RNA."

VOA: special.2009.12.01

A section of DNA that is responsible for encoding a gene, let's say it's the insulin gene for example, might be some stretch of DNA on a certain chromosome inside your cells, inside the cells of the pancreas.

一段编码蛋白的DNA序列,我们就拿编码胰岛素的基因来举个例子,它也许是一段DNA基因序列,位于你胰腺细胞里的,某条染色体上

耶鲁公开课 - 生物医学工程探索课程节选

"We are here today to announce the first synthetic cell -- a cell made by starting with the digital code in the computer, building the chromosome from four bottles of chemicals, assembling that chromosome in yeast, transplanting it into a recipient bacterial cell and transforming that cell into a new bacterial species."

VOA: special.2010.07.20