Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

COB Genetics > Lec 1. Intro to Genetics > Flashcards

Lec 1. Intro to Genetics Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is the definition of genetics?

A

the study of genes, heredity, and genetic variation in living organisms.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the definition of molecular genetics?

A

studies structure and function of genes at a molecular level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the definition of recessive?

A

not the common form

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How does Albinism result from?

A

Defective gene involved in melanin production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the consensus on human germline editing?

A

Ban on editing the human germline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is Luxturna used as a treatment for? How does it do it?

A

Retinal dystrophy. Genetically modified virus that ferries a healthy gene into the eyes of patients.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What do genes do?

A

Regulate development and control cellular differentiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a genome?

A

a complete set of genetic instructions for any organism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False? A genome has only DNA and not RNA

A

False. Has both

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is transmission genetics?

A

how traits are passed from one generation to another

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is population genetics?

A

Study of genetic composition of groups (populations) and how gene frequency changes geographically or with time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are model genetic organisms?

A

Organisms with characteristics that make them useful for genetic analysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Name an example of a model organism

A

Drosphila (fruit fly).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are some common characteristics of model organisms?

A

Numerous offspring, short generation time, and prior knowledge about their genetic systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the only reason animal models are valuable?

A

Because of the basic similarity among all living things

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are HOX genes?

A

Deal with identifications of various parts of our bodies

17
Q

which organism was the first to have its genome sequenced?

A

C. elegans

18
Q

What has the Zebrafish been used for?

A

help identify genes encoding pigmentation differences among humans

19
Q

Define the Pangenesis concept. Is it correct?

A

Genetic info travels from different parts of the body to reproductive organs. Incorrect

20
Q

Define the inheritance of acquired characteristics concept. Is it correct?

A

Acquired traits become incorporated into hereditary info. Incorrect

21
Q

Define the Preformationism concept. Is it correct?

A

Miniature organism resides in sex cells, and all traits are inherited from one parent. Incorrect

22
Q

Define the blending inheritance concept. Is it correct?

A

Genes blend and mix. Incorrect

23
Q

Define the Germ-plasm theory. Is it correct?

A

All cells contain a complete set of genetic info. Correct

24
Q

Define the cell theory. Is it correct?

A

All life is composed of cells and cells arise only from cells. Correct

25
Q

Define the Mendelian inheritance concept. Is it correct?

A

Traits are inherited in accord with defined principles. Correct

26
Q

What is Lamarckianism?

A

Organism changes during life in order to adapt to its environment, those changes are passed on to its offspring.

27
Q

What was the human genome project?

A

international collaboration to complete mapping of all the genes of human beings.

28
Q

Where is genetic info carried?

A

DNA and RNA

29
Q

Where are genes located?

A

Chromosomes

30
Q

Define gene

A

sequence of nucleotides forming part of a chromosome, a unit of heredity that is transferred from a parent to offspring

31
Q

Define allele

A

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

32
Q

Define chromosome

A

threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic info in the form of genes

COB Genetics (32 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions