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Science Exam Flashcards

1
Q

Dominant genes are what?

A

Genes that always show up

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2
Q

What are recessive traits?

A

Recessive traits fade away once a dominant trait kicks in

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3
Q

What is a gene?

A

A gene is a piece of DNA that gives instructions to your body; works in pairs

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4
Q

An allele is…

A

A different version of a gene

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5
Q

Genotype is the…

A

Type of gene genes you got from your parents

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6
Q

The phenotype is the _________________.

A

Physical features

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7
Q

Incomplete dominance is what?

A

Incomplete dominance is when neither gene has complete dominance; blended offspring

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8
Q

DNA-

A

Carries the genetic information in your body’s cells

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9
Q

Reproduction is what?

A

Cells dividing to pass on genes

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10
Q

Asexual reproduction requires how many parents?

A

One

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11
Q

Homo means…

A

Same

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12
Q

Hero means…

A

Different

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13
Q

What does binary fission do?

A

Splits an organism in two. Bi means two.

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14
Q

Budding-

A

When an adult organism has little copy’s of itself stuck to ifs side until it is large enough to go on its own.

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15
Q

Vegetative reproduction, what is it?

A

A piece of an plant grows into a new plant. (Clone)

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16
Q

What is an advantage of asexual reproduction?

A

Quick, traits always pass on to the next generation, no partners, all reproductive

17
Q

What is a disadvantage of asexual reproduction?

A

Can not survive when environment changes.

18
Q

Spores-

A

Very tough single cell that can grow into a whole new organism.

19
Q

What do spores grow into?

A

A whole new organism

20
Q

Fertilization is when both parents combine and create a ________.

A

Zygote

21
Q

Reproduction is….

A

Cells dividing to pass on genes

22
Q

Binary Fission?

A

Bacteria divides into two identical bacteria

23
Q

Sexual reproduction?

A

Two parents give DNA to the offspring and the offspring is unique.

24
Q

__________ is the dividing of the genetic material in the nucleus.

A

Mitosis

25
Q

DNA, what the heck is it?

A

Chemicals that give your body the directions to do everything that is does.

26
Q

Cytokinesis-

A

When one cell separates into two cells.

27
Q

What are four reasons for mitosis?

A

Repair, growth, development, and Reproduction

28
Q

Prophase is what place in the mitosis process?

A

1

29
Q

What is hereditary?

A

Is the passing from parents to offspring

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