Module 4 Flashcards

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1
Q

occurs when a piece of a chromosome breaks off
and is lost

A

Deletion Mutation

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2
Q

occurs when a fragment of a chromosome breaks off and returns to the correct place on the original chromosome, but with the genetic loci in reverse order

A

Inversion Mutation

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3
Q

occurs when a broken piece from one chromosome becomes attached to a different, nonhomologous
chromosome

A

Translocation Mutation

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4
Q

is a type of chromosomal abnormality in which a
chromosome becomes longer because it ends up with two copies of a particular chromosome fragment

A

Duplication Mutation

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5
Q

your normal cell, somatic cells

A

Diploid

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6
Q

cell (n)
* In humans, this is sperm and eggs, aka gametes

A

Haploid

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7
Q

– when organisms have more than 2 sets of chromosomes

A

Polyploidy

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8
Q

states that all genes are located on chromosomes

A

Chromosome Theory of Inheritance

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9
Q

the basic unit of information
affecting a genetic trait

A

Gene

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10
Q

different versions of a given gene

A

Alleles

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11
Q

any change in the DNA
sequence that makes up a gene

A

Mutation

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12
Q

physical location of a gene on a chromosome

A

Locus

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13
Q

Two alleles at a locus are different

A

Heterzygous

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14
Q

Two alleles at a locus are identical

A

Homozygous

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15
Q

bb=?

A

Homozygous Recessive

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16
Q

AA=?

A

Homozygous Dominant

17
Q

Cc=?

A

Heterzygous

18
Q

at least one of the chromosomes carry a gene that determines the sex of an organism

A

Sex Chromosomes

19
Q
A