Genetics Flashcards

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0
Q

What are homologous chromosomes?

A

Chromosomes that are similar in shape and size.

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1
Q

What is a Centromere?

A

Place where chromatids are attached to form chromosome.

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2
Q

What are gametes?

A

Reproductive cells.

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3
Q

What are somatic cels?

A

Any type of cells but sex cells?

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4
Q

Autosomes are what?

A

Chromosomes that are not involved with determining sex.

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5
Q

How many chromosomes do corn and horses have?

A

Corn: 20
Horses: 64

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6
Q

Deletion is?

A

Deletion is a piece of chromosome breaks off.

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7
Q

Duplication is?

A

Fragment of chromosome attaches to its homologue.

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8
Q

Inversion is?

A

Fragment reattached to chromosome and flipped upside down.

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9
Q

What is the term where it is the passing of traits to offspring?

A

Heredity.

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10
Q

Genome?

A

Genetic material found in chromosome.

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11
Q

Nitrogen bases in DNA?

A

Cytosine, Guanine, Adenine, Thymine.

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12
Q

Genetic code?

A

Sequence if nitrogen bases in DNA.

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13
Q

Genotype?

A

Actual genetic code.

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14
Q

Phenotype?

A

Determines physical appearance.

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15
Q

Homozygous.

A

Same allels.

16
Q

Heterozygous?

A

Different allels.

17
Q

Heritability?

A

Chance to get specific trait.

18
Q

Poultry don’t have X’s and Y’s but they have?

A

Males: ZZ Females: ZW

19
Q

Linkage?

A

Tendency for traits to group together.

20
Q

Biotechnology?

A

Management do biological systems for benefit for people and environment.

21
Q

Animal Biotechnology?

A

Application of biotechnology methods to improve animals.

22
Q

Molecular biotechnology?

A

Changing the structure and parts of cells to change organism.

23
Q

Organismic biotechnology?

A

Deals with intact or complete organisms. * most popular

24
Q

Genetic engineering?

A

Changing genetic info. Take piece of DNA and inserting different piece.

25
Q

Gene transfer?

A

Moving of a gene from one organism to another.

26
Q

Plasmids?

A

Circular pieces of DNA. A lot of the cells die in process.