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Chapter 11 Vocabulary > Chapter 11 Vocabularu > Flashcards

Chapter 11 Vocabularu Flashcards

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Vocab Builder flashcards
1
Q

Genetics

A

is key to understanding what makes each organism unique

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2
Q

fertilization

A

the process in which the male and female reproductive cells join together in sexual reproduction

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3
Q

Trait

A

a specific characteristic

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4
Q

Hybrids

A

crosses between parents with different traits

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5
Q

Genes

A

chemical factors that determine traits

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6
Q

Alleles

A

the different forms of a gene

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7
Q

Principle of Dominance

A

states that some alleles are dominant and others are recessive

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8
Q

Segregation

A

separation of alleles during gamete formation

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9
Q

Gametes

A

sex cells

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10
Q

Probability

A

the likelihood that a particular event will occur

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11
Q

Homozygous

A

organisms that have two identical alleles for a particular trait

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12
Q

Heterozygous

A

organisms that have two different alleles for the same trait

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13
Q

Phenotype

A

physical characteristics

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14
Q

Genotype

A

genetic makeup

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15
Q

Punnet square

A

a diagram that can determine the possible gene combinations

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16
Q

Incomplete dominance

A

when one allele is not completly dominant over another

17
Q

Condominace

A

when both alleles contribute to the phenotype

18
Q

Multiple Alleles

A

when genes have more than two alleles

19
Q

Polygenic traits

A

traits controlled by two or more genes

20
Q

Homologous

A

term used to refer to chromosomes that each have a corresponding chromosome from the opposite-sex parent

21
Q

Diploid

A

a cell that contains both sets of homologous chromosomes

22
Q

Haploid

A

a cell that has one set of homologous chromosomes, a cell that has a single set of chromosomes and therefore only 1 set of genes

23
Q

Meiosis

A

a process of reduction division in which the number of chromosomes is cut in half through the separation of homologous chromosomes in a diploid cell

24
Q

Tetrad

A

(prophase)structure of chromosome paired with its corresponding homologous chromosome

25
Q

Crossing-over

A

process in which homologous chromosomes exchange chromatids in meiosis`

26
Q

Zygote

A

undergoes cell division by mitosis and eventually forms a new organism

Chapter 11 Vocabulary (1 decks)

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