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Science > Study Guide 6 Questions > Flashcards

Study Guide 6 Questions Flashcards

1
Q

What is asexul reproduction

A

New organisms are formed from a single parent.

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2
Q

Asexual reproduction occurs with

A

Mitosis

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3
Q

What is budding?

A

Asexual reproduction that occurs when an organism produces outgrowths through cell division

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4
Q

What is required for sexsual reproduction to occur?

A

A female egg and male sperm

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5
Q

How is sexual reproduction formed

A

Meiosis

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6
Q

Why is it important that the number of chromosomes are halved during meiosis?

A

So that the organism being created has the correct # of chromosomes needed.

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7
Q

Stamens

A

Male structure for reproduction

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8
Q

Pistil

A

Female structure for reproduction

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9
Q

Perfect Flower

A

Both Stamen and Pistil

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10
Q

Imperfect Flower

A

Either Stamen or Pistil

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11
Q

Cross pollination

A

Pollen is transferred to the stigma of a flower on a different plant.

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12
Q

Self Pollination

A

Occurs when pollen is transferred to the stigma of the same plant.

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13
Q

Ovary

A

Stores the ovules (unfertilized eggs).

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14
Q

Fruit

A

Protects the seeds

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15
Q

How do flowers encourage pollinators to use their nectar?

A

Colors and scent

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16
Q

What does it mean to be heterozygous for a trait?

A

One dominant and 1 recessive allele for a trait. Dd

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17
Q

Can you tell the genotype of an organism from its phenotype?

A

Yes. If an organism shows the dominant trait they must be homozygous dominant or heterozygous

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18
Q

What is a Punnet Square used for?

A

Illustrate the probability of the outcomes.

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19
Q

What are the odds or probability of each genotype?

A

50%

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20
Q

What is a Sepal

A

Protects the bud

21
Q

What is a Petal

A

Colored leaves

22
Q

What is an Anther?

A

Produces pollen

23
Q

What is sexual reproduction?

A

A stamen and pistil

24
Q

MItosis

A

Chromosones seperate from their cell

25
Q

What is Filament?

A

Stalk that holds the anther

26
Q

What is Stigma?

A

A part of the female part of the flower that is sticky and sucks in pollen

27
Q

What is Style?

A

A part of the female part of the flower

28
Q

What is Pollen?

A

A yellow powdery substance that get feed to the stigma.

29
Q

What is the Pollen Tube?

A

Where Pollen goes through to get to places

30
Q

What is an Ovule

A

A part of the ovar, that after fertilization becomes a seed

31
Q

What is Pollination?

A

When the flowers get pollinated by the pollen

32
Q

What is fertilization?

A

A tube grows from a pollen grain down to the ovary where it will try to unite with an ovulation.

33
Q

What is a seed

A

Is protected by the fruit

34
Q

What is Mitosis?

A

Asexual reproduction is accomplished with Mitosis

35
Q

What is Meiosis?

A

Sperm and egg cells are formed through Meiosis

36
Q

What are runners?

A

New plants f on buds

37
Q

What is Heredity?

A

How traits are passed from parents to offspring

38
Q

What are Genetics?

A

Study of heredity

39
Q

What is a chromosome?

A

Rod-shaped package of DNA found in nucleus

40
Q

What is a gene?

A

Region of chromosome that codes for a specific trait

41
Q

Trait

A

A physical characteristic

42
Q

Allele

A

One version of a gene, signified by a letter

43
Q

Recessive

A

Overshadowed the recessive

44
Q

Genotype

A

Is overshadowed in the presence of a dominant trait

45
Q

Phenotype

A

The two-allele code for a particular trait

46
Q

Homozygous

A

The physical expression of the genotype

47
Q

Heterozygous

A

Genotype with one of each allele

48
Q

Punnett Square

A

Tool used to determine the possible genotype of offspring

Science (9 decks)

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