Tigers and cats have 95% of the same genes (基因). ……

with the lifestyle (生活方式) you lead and everything to do with the type of genes (基因) you have.For the lucky carriers (携带者) of “Methuselah” genes, worries over smoking, eating unhealthily and not getting ……

the entire chemical makeup of the common rat.The rat is just the third animal to have its genes mapped out. The other two are humans and mice.Genes are tiny sets of chemical instructions that determine ……

the entire chemical makeup of the common rat.The rat is just the third animal to have its genes mapped out. The other two are humans and mice.Genes are tiny sets of chemical instructions that determine ……

. What does Sheehan want to prove?A. Humans don’t have enough genes.B. There is great genetic diversity.C. Genes and cards have something in common.D. Limited genes decide what people may look alike. 3 ……

billion base pairs (碱基对). These pairs form the code for approximately (大约) 20,000 to 25,000 genes. More than 99 percent of these genes are identical (一样的) in humans. The rest are what make individuals ……

.An initial comparison of one mouse chromosome with a human chromosome has shown that the genes... of the mysteries raised by the sequencing of the human genome is how few genes it takes to make a person ……

. This is because of natural selection. These changes have influenced their genes.A good example of recent... to get nutrition from milk, their genes changed. The genes allowed them to digest lactose ……

are always thin.The study is published in the journal Nature. It says that “skinny genes” are really a group of 28 genes in the 16th pair of chromosomes (染色体). Last year, the same research team found ……

How does cloning work?Animals are different from their parents because their conceived genes from their mother and father are mixed together. But cloned animals take their complete set of genes from ……

with?A. There is too much genetic diversity to study.B. There are only dozens of genes that shape our faces.C. Genes are like cards in the way that you never know what you will get.D. It’s possible ……

with?A. There is too much genetic diversity to study.B. There are only dozens of genes that shape our faces.C. Genes are like cards in the way that you never know what you will get.D. It’s possible ……

. This means mice have seven neck bones, too. TEENSTomato’s many genes西红柿基因数量惊人。Tomatoes look small. But they have thousands of genes. Scientists have found that tomatoes have about 32,000 genes, which ……

size.B. Their genes suffer no DNA damage. C. Certain genes in their body kill existing tumors.D. They carry many genes that keep tumors from developing.2. According to Dr Vincent Lynch, what has been ……

have more genes in common than strangers do, The Guardian reported. Researchers looked at the genes... have 1 percent of genes that match. “One percent may not sound like much to the layperson (外行 ……