Chp 1 Flashcards

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1
Q

devastating and life threatening disease

A

Cancer

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2
Q

development of technologies and revolutionized treatment

A

human genome project

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3
Q

purple cells are the

A

Immune cells

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4
Q

Green cells are the

A

Cancer cells

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5
Q

transitional medicine

A

moves laboratory research from bench to diagnostics

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6
Q

immunotherapy

A

treats disease by stimulating immune system to recognize and attack cells

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7
Q

The scientific study of heredity traits passed from one generation to another

A

genetics

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8
Q

Gene

A

-the fundamental unit of hereditary
-structural and functional unit of genetics
- composed of a unique sequence of chemical subunits in DNA
-DNA components of adenine, thymine, guanine, and cytosine

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9
Q

What is a DNA molecule composed of

A

Adenine
Thymine
Guanine
Cytosine

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10
Q

what does a DNA sequence do

A

stores genetic info and define amino acid that will be used ti make specific protein in the cell

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11
Q

compromise polypeptide chains that become functional proteins when folded into three-dimensional shapes

A

Amino Acid

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12
Q

how are genes transmitted from parents to offspring

A

the foundation of genetics established in the 19th century by Gregor Mendel

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13
Q

what are Mendel’s conclusion

A

-each parent carries two genes, each a specific trait
-each parent contributes one copy from each gene pair to the offspring
- pairs of genes separate from each other to formation of egg and sperm(meiosis)

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14
Q

How do scientists study genes

A

-transmission genetics in pedigree analysis
-cytokinesis use a karyotype
-molecular genetics
-population genetics

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15
Q

Karotype

A

arrangement of all chromosomes in one individual

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16
Q

Biotechnology

A

using recombinant DNA tech. to develop modify crops

17
Q

eugenics

A

the attempt to improve the human species by selective breeding

18
Q

Single nucleotide polymorphism

A

a variation in a single base pair in a DNA sequence

19
Q

impacts of geonomics

A

-use screening DNA microarrays to assess the genetic risk of families
-stem cell research offering hope
-genetic modification of food

20
Q

DNA microarray can be used to

A

determine genetic disorders

21
Q

Animal clonning

A

Dolly the sheep

22
Q

What mendal called factors we now call

A

Genes

23
Q

Each nucleotide is a stand of DNA composed of

A

Sugar, Base, Phosphate group

24
Q

Instead of testing one genetics disorder at a time. this technology is called

A

DNA microarray- that carries DNA from whole human genome

25
Q

Gregor Mendel claimed that

A

each individual carries a pair of factors for a given trait

26
Q

Genetics is defined as the scientific study of ____.

A

Hereditary

27
Q

Represents the inheritance of traits through several generations of a family

A

Human Pedigree

28
Q

in mid 20th century, researchers discovered that genes are made up of — and that the molecule is part of a cellular structure know as —–

A

DNA, CHROMOSOMES

29
Q

Amino acids make

A

Polypeptide chains

30
Q

Polypeptide chains make

A

Proteins

31
Q

Genes are contained on

A

chromosomes, located in the nuclei of eukaryotic cells

32
Q

What are the four approaches to scientist studying genes

A

Transmission genetics(pedigree analysis)
Cytogenetic(karyotype)
Molecular genetics(recombinant DNA tech)
Population genetics

33
Q

What stage can genetic testing be done

A

Embryonic to determine if embryo is a defective gene