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7th Grade Science > Genetics > Flashcards

Genetics Flashcards

1
Q

a person from whom one is descended from

A

Ancestor

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2
Q

a person, plant, or animal that is descended from a particular ancestor

A

Descendant

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3
Q

genetic material is donated from only one parent; offspring are identical to the parent and each other (uniform)

A

Asexual reproduction

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4
Q

made of DNA located in the nucleus; contains genetic information needed to carry out cell functions and make new cells

A

Chromosome

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5
Q

one of two or more genes that may occur on a chromosome

A

Allele

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6
Q

different combinations of alleles from each parent

A

Diverse Offspring

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7
Q

offspring are identical to the parent

A

Uniform Offspring-

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8
Q

located in the nucleus; determines the genetic traits of an organism (deoxyribonucleic acid)

A

DNA

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9
Q

a segment of DNA found on a chromosome; determines the inheritance of a particular trait

A

Gene

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10
Q

the passage of genetic instructions from one generation to the next

A

Heredity

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11
Q

the study of heredity and the variation of inherited characteristics

A

Genetics

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12
Q

genetic material is donated from two parents; offspring differ from each parent and each other (diverse)

A

Sexual reproduction

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13
Q

behavioral characteristics or physical attributes of an organism that are expressed by genes and/or influenced by the environment

A

Traits

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14
Q
  • If an individual carries two different genres for a trait (Aa)
A

Heterozygous

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15
Q

If an individual carries the same two alleles for a gene (AA or aa)

A

Homozygous

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16
Q

inherited characteristic that appears in an offspring if it is contributed from a parent through a dominant allele

A

Dominant Trait

17
Q

a trait that is expressed when an organism has two recessive alleles

A

Recessive Trait

18
Q

the genetic constitution of an individual organism.

A

Genotype

19
Q

the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment

A

Phenotype

20
Q

used to calculate and depict all the combinations of the different genotypes and phenotypes among the offspring

A

Punnet Square

7th Grade Science (7 decks)

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