Genetics And Evolution Test Flashcards

(41 cards)

1
Q

Gregor Mendel

A

Austrian botanist who launched science of genetics, studied pea plants, considered father of genetics

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

Heredity

A

Passing of traits from one generation to another

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

Geneticist

A

One who studies genetics

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

Genes

A

Units of heredity

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

Allele

A

One pair of genes responsible for contrasting traits

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

Dominant trait

A

Trait that prevents the showing of another trait

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

Recessive trait

A

Trait that is hidden by presence of dominant trait

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

Probability

A

Likelihood that a given event will occur

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

Hybrid

A

In genetics, organism that carries dominant and recessive allele for same trait

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

Heterozygous

A

In an organism when paired genes for specific trait are not identical

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

Homozygous

A

In an organism when paired genes for specific trait are identical

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

Pure read

A

Refers to organism that carries two dominant or two recessive alleles for a trait

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

Punnett square

A

Table used to predict what trait offspring will have based on what traits parents have

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

Genetics

A

Study of how traits are passed from parent to offspring

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

Phenotype

A

Physical appearance of organism

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

Genotype

A

Set of genes carried by organism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

DNA

A

Deoxyribonucleic acid, determines genetic traits, found in nucleus

18
Q

Chromosome

A

Structures located in nucleus, made of DNA, contains genetic info to Cary out cell fuctions

19
Q

Meiosis

A

Process by which chromosomes is reduced by half to form sex cells

20
Q

Sex chromosomes

A

Determine sex of offspring , x and y

21
Q

Sex linked trait

A

Trait carried in X chromosome

22
Q

Keryotype

A

A picture of paired chromosomes of an individual

23
Q

Charles Darwin

A

Developed theory of evolution

24
Q

Theory of evolution

A

describes how organisms changes over many generations

25
Natural selection
Process of when organisms develop best traits to fit their environment
26
Genetic variation
Normal differences within a species, variety in offspring
27
Mutation
Change in genes or chromosome of cell
28
Fossil
Preserved remains of an organism from the past
29
Trait
Characteristics of organism
30
Extinction
All organisms of species die off
31
Adaptation
Structure or behaviour that is developed to help organism
32
Ancestor
A person from whom is descended from
33
Variations
Characteristic of all living things that no two individuals are the same
34
Species
Group of similar organism that can mate and produce offspring
35
Body cells
Somatic cells
36
Sex cells
Gametes
37
Asexual relroduction
Mitosis
38
Sexual reproduction
Meiosis
39
Watson and crick
Figured out structure of DNA
40
Four protiens that make up DNA
Adenine, guanine, thymine, cytosine
41
DNA is molecule that does what
Carries genetic information for all living things