自然科学SAT - 解剖学和遗传学

(anatomy) the muscular body partition that separates the chest and abdomen

光圈

a sack of tissue that is attached to the large intestine and is surgically removed if infected

附录

relating to the intestines, which are part of the digestive system responsible for absorbing nutrients and removing waste from the body

肠

the front part of the brain involved in higher cognition and executive functions

前额皮质

(anatomy) an abdominal organ that controls the quality of the blood cells

脾

the hard white external layer that covers the crown of a tooth

牙釉质

(anatomy) a bone of the shoulder girdle that connects the breastbone to the shoulder bone

锁骨

(anatomy) a spiral cavity in the inner ear that contains sensory organs which send nerve signals to the brain in response to vibrations

耳蜗

the first part of the large intestine, located in the lower right abdomen

盲肠

the upper part of the human body, excluding the arms and the head

躯干

any blood vessel, carrying the blood to different organs of body from the heart

动脉

a place in the body where two bones meet, enabling one of them to bend or move around

联合

the row of small bones that are joined together down the center of the back of the body

脊柱

(anatomy) a system of interconnected organs or tissues that perform a particular task in the body

管道

relating to the heart or the network of blood vessels encircling it

冠状动脉

a small, butterfly-shaped gland located at the base of the neck, responsible for producing hormones that regulate metabolism and other bodily functions

甲状腺

the bone that forms the ankle joint with the tibia and fibula, supporting the body's weight and allowing movement of the foot

踝

a sac-like organ inside the body where urine is stored before being passed

膀胱

relating to processes and behaviors involved in the creation of offspring within a species

生殖

relating to any of the five senses

感官的

relating to the sense of touch or the ability to perceive objects by touch

触

(anatomy) connected with the sensory part of the eye that sends signals to the brain, called retina

视网膜

related to the ability of hearing

听觉的

relating to sight or vision

视觉的

a very small threadlike structure in a living organism that carries the genes and genetic information

染色体

the complete set of genetic material of any living thing

基因组

the genetic makeup of an organism, determined by the combination of genes inherited from its parents

基因型

the observable physical and behavioral characteristics of an organism, resulting from the interaction of its genotype (genetic makeup) with the environment

表型

one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome

等位基因

(of a gene or trait) showing its specific appearance only when an individual inherits it from both parents

隐性的

(of genes) causing a person to inherit a particular physical feature, even if it is only present in one parent's genome

主导的

the process by which information from a gene is used to synthesize functional gene products, such as proteins, which can influence an organism's traits

表达

to alter or change the genetic makeup of an organism through genetic engineering techniques

修改

(biology) a change in the structure of the genes of an individual that causes them to develop different physical features

突变

to receive traits or attributes from a precious generation through genetic inheritance

继承

the passing down of traits from one generation to another within a family

一代人的特征传递给另一代人

a person from whom other offsprings are descended

祖先

(of an organism) having genetic material from another species that has been artificially introduced into its genome

转基因的

a specialist in or student of the branch of biology that deals with how individual features and different characteristics are passed through genes

遗传学家

a visual display of an individual's chromosomes, used for genetic analysis and identifying abnormalities

核型

the practice of improving the genetic quality of a human population through selective breeding and other methods

优生学

a genetic condition in which an individual has three copies of a chromosome instead of the usual two

三体性

the region of a chromosome where the two sister chromatids are joined and where the spindle fibers attach during cell division

着丝粒

a DNA sequence that has the same order of nucleotides on each side of the complementary DNA strands

回文

the branch of genetics that studies the structure and function of chromosomes using microscopic and molecular techniques

细胞遗传学

any chromosome that is not involved in determining sex, present in pairs in both males and females, and carrying most of an individual's genetic information

常染色体

the process of introducing foreign DNA or RNA into eukaryotic cells to study gene function or manipulate gene expression

转染

in a manner that is related to genetics or genes

遗传上

a cell or organism containing a single set of unpaired chromosomes, typically denoted as n, representing half the genetic material of a diploid cell

单倍体

a family of transcription factors that play important roles in regulating gene expression in response to various stimuli

早期生长反应