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Science > Reproduction & Genetics Test > Flashcards

Reproduction & Genetics Test Flashcards

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Biology 101 flashcards
0
Q

Sperm definition

A

The male sex/germ cell

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1
Q

Egg definition

A

The female sex/germ cell

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2
Q

Asexual reproduction definition

A

The production of offspring without special sex cells

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3
Q

When does ovulation occur in the menstruation cycle

A

Days 7-11

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4
Q

Sexual reproduction definition

A

The production of offspring with special sex cells

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5
Q

Gamete definition

A

A mature haploid male/female germ cell

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6
Q

Haploid definition

A

A single set of unpaired chromosomes

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7
Q

Different types of asexual reproduction

A

Fission
Budding
Regeneration
Vegetative

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8
Q

Flower female reproductive organ

A

Pistil

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9
Q

Pistil parts

A

Stigma
Ovary
Ovules

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10
Q

Male reproductive organ of a plant

A

Stamen

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11
Q

Stamen parts

A

Pollen
Anther
Filament

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12
Q

What does the stigma do

A

Located at the top of the pistil & receives pollen

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13
Q

What does the ovary do

A

Produces the ovules

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14
Q

Ovules are the

A

Female sex cell

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15
Q

What does anther do

A

Produces pollen grains

16
Q

What is the filament

A

Stem of the male reproductive organ

17
Q

Pollen is the

A

Male sex cell

18
Q

Female reproductive organs

A 
Ovaries 
Fallopian tube or oviduct 
Uterus 
Cervix 
Vagina 
Vaginal opening
19
Q

Egg fertilization

A

Development of sperm and egg
Sperm is released into the vagina passed into th cervix, through the uterus, into the Fallopian tube(oviduct) to meet fertilize the egg
Sperm fertilizes the egg in the Fallopian tube(oviduct) then attaches itself to the wall of the uterus to be protected and nourished

20
Q

Male reproductive organs

A 
Testes 
Vas deferens 
Epididymis 
Urethra 
Penis 
Prostate
21
Q

Sperms journey

A 
Produced in the testes 
Stored in the epididymis 
Travels through the vas deferens 
Passes prostate gland to get semen
Leaves pens through urethra
22
Q

Meiosis steps

A

Interphase(before meiosis): DNA is being copied
Step 1: Each chromosome makes a copy of itself
Step 2: Chromosomes line up at the equator with their homologous partner
Step 3: Homologous partners separate to each side of the cell
Step 4: The nuclear membrane reformed around the chromosomes
Step 5:(interphase II) Two new cells form, chromosomes DO NOT copy this time
Step 6: Chromosomes line up a the equator WITHOUT a partner
Step 7: Chromatids separate
Step 8: Nuclear membrane forms around the chromatids
Step 9: Cells divide

23
Q

DNA stands for….

A

Deoxyribonucleic Acid

24
Q

Definition of DNA

A

A molecule that contains a genetic code that instructs cells to create certain proteins

25
Q

Structure of DNA

A

Double helix(twisted ladder)

26
Q

The five atoms that make up DNA

A 
Carbon
Nitrogen 
Hydrogen 
Oxygen 
Phosphorus
27
Q

What are the four nucleotide-bases held together by bonds

A

Adenine
Thymine
Guanine
Cytosine

28
Q

Which nucleotide-bases pair up with which

A

Adenine-Thymine

Cytosine-Guanine

29
Q

Amino acids make what

A

Amino acids are what make up proteins

30
Q

What is a phenotype

A

The description of a trait on an organisms body

31
Q

What is a genotype

A

The abbreviation of a phenotype

Ex.
Phenotype: Tongue roller
Genotype: RR

32
Q

MM is

A

Homozygous dominate & a genotype

33
Q

mm is what

A

Homozygous recessive & a genotype

34
Q

Mm is what

A

Heterozygous & a genotype

35
Q

Diploid definition

A

A cell or nucleus containing two complete sets of chromosomes, one from each parent

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