Chapter 10: Patterns of Inheritance

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Osteogenesis Imperfecta

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34 Terms

1

Osteogenesis Imperfecta

________ leads to a defective type I collagen that causes bones to be brittle and weak.

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2

Huntington Disease

The gene for ________ is located on chromosome 4.

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3

Punnett Square

A(n) ________ is a diagram that shows all the possible combinations of genes that can be inherited by offspring.

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4

Codominance

________ is a type of inheritance where both alleles are fully expressed.

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5

Methemoglobinemia

________ is an autosomal recessive disorder caused by an accumulation of methemoglobin in the blood.

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6

Fertilization

________ gives each new individual two factors for each trait.

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7

Mutant Huntingtin

________ also attracts and causes other proteins to clump with it, including CBP, which helps nerve cells survive.

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8

Marfan Syndrome

________ is caused by a mutated gene (FBN1) on chromosome 15.

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9

Drosophila Melanogaster

________, the fruit fly, is a favorite subject for genetic research because it has several mutant characteristics that are easily determined.

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10

Homozygous

________: Having two identical alleles for a trait.

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11

Homogentisic Acid

________ also accumulates in joint spaces and connective tissues, leading to darkening of the tissues and eventually arthritis by adulthood.

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12

Methylene Blue

________ is a strong reducing agent that converts methemoglobin back into hemoglobin.

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13

Pleiotropy

________ is when a single gene has multiple effects, leading to a group of symptoms called a syndrome.

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14

HGD

The ________ enzyme breaks down homogentisic acid, but when it's missing, homogentisic acid accumulates in the blood and is passed into the urine.

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15

Porphyria

________ is caused by a chemical insufficiency in the production of hemoglobin, leading to photosensitivity, abdominal pain, port- wine- colored urine, and paralysis.

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Phenotype

________: The physical appearance of an organism, which is determined by its genotype and the environment in which it lives.

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17

Monohybrid Cross

A ________ is a genetic cross between two individuals that differ in only one trait.

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18

Recessive Allele

A ________ is an allele that is not expressed in the phenotype when it is paired with a dominant allele.

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19

Dominant Alleles

_________ are alleles that are expressed in the phenotype, even when they are paired with a recessive allele.

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20

Genotype

The ________ is the genetic makeup of an individual, including all of their alleles.

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21

Phenotype

The ________ is the physical appearance of an individual, which is determined by their genotype and environmental factors.

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22

Alleles

_________ are the different forms of a gene.

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23

Homozygous

An individual is ________ for a trait if they have two identical alleles for that trait.

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24

Heterozygous

An individual is ________ for a trait if they have two different alleles for that trait.

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25

Dominant Allele

The ________ is the allele that is expressed in the phenotype when it is paired with a recessive allele.

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26

Recessive Allele

The ________ is the allele that is not expressed in the phenotype when it is paired with a dominant allele.

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27

Dihybrid Cross

A ________ is a genetic cross between two individuals that differ in two traits.

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28

Autosomal Disorders

_________ are genetic disorders that are not caused by a chromosome abnormality.

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29

Recessive Disorders

_________ are genetic disorders that are caused by recessive alleles.

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30

Dominant Disorders

_________ are genetic disorders that are caused by dominant alleles.

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31

Incomplete Dominance

_________ is a type of inheritance in which the phenotype of the heterozygous individual is intermediate between the phenotypes of the two homozygous individuals.

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32

Pleiotropy

_________ is a phenomenon in which a single gene affects multiple traits.

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33

Linkage Groups

_________ are groups of genes that are located on the same chromosome and are inherited together.

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34

X-linked

_________ refers to genes that are located on the X chromosome.

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