Study Guide 6 Questions Flashcards

(48 cards)

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
What is Filament?
Stalk that holds the anther
26
What is Stigma?
A part of the female part of the flower that is sticky and sucks in pollen
27
What is Style?
A part of the female part of the flower
28
What is Pollen?
A yellow powdery substance that get feed to the stigma.
29
What is the Pollen Tube?
Where Pollen goes through to get to places
30
What is an Ovule
A part of the ovar, that after fertilization becomes a seed
31
What is Pollination?
When the flowers get pollinated by the pollen
32
What is fertilization?
A tube grows from a pollen grain down to the ovary where it will try to unite with an ovulation.
33
What is a seed
Is protected by the fruit
34
What is Mitosis?
Asexual reproduction is accomplished with Mitosis
35
What is Meiosis?
Sperm and egg cells are formed through Meiosis
36
What are runners?
New plants f on buds
37
What is Heredity?
How traits are passed from parents to offspring
38
What are Genetics?
Study of heredity
39
What is a chromosome?
Rod-shaped package of DNA found in nucleus
40
What is a gene?
Region of chromosome that codes for a specific trait
41
Trait
A physical characteristic
42
Allele
One version of a gene, signified by a letter
43
Recessive
Overshadowed the recessive
44
Genotype
Is overshadowed in the presence of a dominant trait
45
Phenotype
The two-allele code for a particular trait
46
Homozygous
The physical expression of the genotype
47
Heterozygous
Genotype with one of each allele
48
Punnett Square
Tool used to determine the possible genotype of offspring