Genetics Flashcards

1
Q

The study of inheritance

A

Genetics

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2
Q

The process in which genetic material is passed from parents to offspring

A

Inheritance

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3
Q

Well all have the same _____ we just have different alleles for those ____

A

Genes

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4
Q

What’s a gene

A

A sequence of bases that codes for a protein

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5
Q

What’s an allele

A

An alternate form of a gene

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6
Q

Meiosis is cell division that results in

A

Egg and sperm

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7
Q

Why is Meiosis important?

A

Because it splits up chromosomes in different combinations

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8
Q

Each cell has __ pairs of chromosomes

A

23

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9
Q

Matching pairs of chromosomes are called

A

Homologous

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10
Q
A
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11
Q

What’s the difference between Autosomes and Sex chromosomes

A

Autosomes- chromosomes that everyone has
Sex chromosomes- chromosomes that determine someone’s sex

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12
Q

A cell with half of the number of chromosomes would be called

A

Haploid

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13
Q

How many cells does meosis result in

A

4

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14
Q

2 differences and 1 similarity between meiosis and mitosis

A

Difference 1- meosis has crossing over and mitosis doesn’t
Difference 2- mitosis ends with 2 cells while meosis ends with 1
Similarity- both a process of cell division

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15
Q

When chromosomes swap DNA

A

Cross over (during meiosis)

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16
Q

Egg and sperm and called

A

Gametes

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17
Q
A
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18
Q

During gametogenisis a male produces _ sperm and a female produces _ egg

A

4, 1

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19
Q

Cells that don’t become egg cells and are absorbed by the body

A

Polar bodies

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20
Q

When egg and sperm come together

A

Fertilization

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21
Q

The father of genetics

A

Gregor Mendel

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22
Q

Allele that is masked by another

A

Recessive

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23
Q

What is Mendel law of segregation

A

Alleles separate when egg/sperm are formed, and each gets 1 allele

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24
Q

What is Mendels law of independent assessment?

A

Chromosomes combine randomly with eachother

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25
Phenotype
The PHYSICAL trait that is observed
26
Genotype
The GENTIC COMPONENTS of a trait
27
Homozygous
Both alleles are the same
28
Heterozygous
The alleles are different
29
A trait influenced by one allele
Single allele
30
Both alleles are fully expressed
Codominant
31
A trait with more than one allele
Multiple alles
32
The dominant allele cannot fully mask the recessive
Incomplete dominance
33
In blood type the most recessive allele
O
34
35
Famously studied chromosomes
Thomas hunt Morgan
36
A trait that is influenced by the environment as well as individual genetics
Complex character
37
Part of a chromosome breaks off and attaches to another
Translocation
38
A section of a chromosome is flipped
Inversion
39
Refers to any method that involves biological system
Biotechnology
40
Any technology that alters genetic material
Genetic engineering
41
The science of tasks in the investigation of crimes
Forensics
42
A method of copying a section of DNA
PCR
43
An organism whose DNA has been altered
GMO
44
Inserting new DNA into existing DNA
Gene splicing
45
Identify individuals using their DNA
DNA ID
46
Inserting genes into bacteria to create a product
Cloning vectors
47
Describe the steps of PCR
1: split 2: prime 3: copy
48
I cell that can differentiate into any type
Stem cell
49
Embryonic stem cell
Found in human embryos
50
Can become any cell on the body
Pluripotent
51
Adult stem cells
Can only become certain kinds of cells
52
If a problem comes up so undergo
A ptosis
53
What kind of growth does PCR show?
Exponential growth
54
The risk of cancer can increase from
Carcinogens
55
Gel electrophoresis
Used to sort, DNA
56
An embryonic cell can
Turn into any other type of cell
57
A normal cell is called
A somatic cell
58
Give two examples of carcinogen
UV radiation, tobacco
59
Metastasis is
When a tumor breaks off informs another
60