110925
Description
Mind Map by charlotte2604, updated more than 1 year ago
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Created by charlotte2604
almost 11 years ago
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INHERITANCE AND SELECTION
- DEFINITION OF INHERITANCE; THE
FEATURES THAT ARE PASSED ON FROM
PARENTS TO THEIR OFFSPRING
- PHYSICAL CHARACTERISTICS; HEIGHT, EARS,
GENDER, HAIR;COLUR,TEXTURE, FACE
SHAPE, EYE COLOUR, TEETH, SKIN COLOUR.
- PHYSICAL CHARACTERISTICS; HEIGHT, EARS,
GENDER, HAIR;COLUR,TEXTURE, FACE
SHAPE, EYE COLOUR, TEETH, SKIN COLOUR.
- WE INHERIT GENES FROM OUR PARENTS WHICH WITH A
COMBINATION OF OUT MOTHERS AND FATHERS
CHARACTERISTICS THIS IS CALLED INHERITED VARIATION.
- IDNETICAL TWINS BOTH INHERIT EXACTLY THE SAME
GENES AND ALTHOUGH THEY BOTH HAVE IDENTICAL
CHARACTERISTICS, 1 TWIN COULD BE HEAVIER DUE
TO SIMPLY EATING MORE.
- ENVIRONMENTAL VARIATION IS ALL TO DO
WITH EFFECTS OF WHERE WE LIVE AND
HOW WE ARE BROUGHT UP
- INHERITED CHARACTERISTICS
- HAIR COLOUR/ TYPE , EYE COLOUR,
BLOOD GROUPS, INHERITED DISEASES (
CYSTIC FIBROSIS)
- HAIR COLOUR/ TYPE , EYE COLOUR,
BLOOD GROUPS, INHERITED DISEASES (
CYSTIC FIBROSIS)
- ENVIRONMENTAL CHARACTERISTICS
- DIET, EDUCATION, LIVING
CONDITION, ATHLETIC ABILITY
(TRAINING)
- DIET, EDUCATION, LIVING
CONDITION, ATHLETIC ABILITY
(TRAINING)
- THE INSTRUCTIONS FOR DESIGNING A NEW BABY ARE FOUND 2 PLACES:
- EGG CELL (OVUM) MOTHER; NUCLEUS
- SPERM CELL (FATHER); A SPERM
CELL NUCLEUS HEAD, FLAGELLUM
- EACH NUCLEUS CONTAINS
CHROMOSONES WHICH CARRY
THE INSTRUCTIONS
- EGG CELL (OVUM) MOTHER; NUCLEUS
- HALVING AND DOUBLING
- A HMAN CELL HAS 46
CHROMOSONES
ARRANGED IN 23
IDENTICAL PAIRS
- DURING
REPRODUCTION, WHEN A
SPERM CELL AND EGG
CELL ARE MADE, THE
CHROMOSONES IN EACH
PAIR SPLIT UP
- SPERM CELL NOW
HAS 23
CHROMOSONES
- EGG CELL NOW
HAS 23
CHROMOSONES
- SPERM CELL NOW
HAS 23
CHROMOSONES
- AT FERTILISATION THE CHROMOSONES FROM THE
MOTHER AND FATHER JOIN TOGETHER MAKING 46
CHROMOSONES IN TOTAL
- A HMAN CELL HAS 46
CHROMOSONES
ARRANGED IN 23
IDENTICAL PAIRS
- GENES
- GENES ARE FOUND IN CHROMOSONES CONTAIN ALL THE INSTRUCTIONS
THAT WE INHERIT, GENES CONTAIN CERTAIN CHARACTERISTICS
(FEATURES) SUCH AS EYE COLOUR, HAIR TYPE, ABILITY TO ROLL TONGUE
- THERE ARE 2 GENES FOR EACH
FEATURE (ONE IS GENERALLY
DOMINANT OVER THE OTHER)
- GENES ARE FOUND IN CHROMOSONES CONTAIN ALL THE INSTRUCTIONS
THAT WE INHERIT, GENES CONTAIN CERTAIN CHARACTERISTICS
(FEATURES) SUCH AS EYE COLOUR, HAIR TYPE, ABILITY TO ROLL TONGUE
- SELECTIVE BREEDING
- THIS IS WHERE HUMANS (FOR
THEIR OWN BENEFIT) DEVELOP
PATICULAR VARIETIES OF
PLANTS/ ANIMALS WITH
FAVOURABLE
CHARACTERISTICS. HOW?
- THEY SELECT THE BEST PLANTS AND ANIMALS
FROM EXSISTING STOCK AND BREED FROM THEM
TO ACHIEVE OFFSPRING, WHO EVENTUALLY
DISPLAY THE BEST CHARACTERISTICS, EG. DAIRY
COW- HIGHER MILK YIELD BEEF COW- TASTIER
LEENER MEAT FAMILY PETS- GOOD LOOKS ,
SPEED, AGILITY,OBIDIENCE, DOMESTICATED
CROPS AND PLANTS - LETTUCE- FROSRT
RESISTANT, DISEASE/ PEST RESISTANT,
INCREASED PRODUCTION FLOWERING PLANTS-
COLOUR/SCENT, LARGE BLOOMS
- THEY SELECT THE BEST PLANTS AND ANIMALS
FROM EXSISTING STOCK AND BREED FROM THEM
TO ACHIEVE OFFSPRING, WHO EVENTUALLY
DISPLAY THE BEST CHARACTERISTICS, EG. DAIRY
COW- HIGHER MILK YIELD BEEF COW- TASTIER
LEENER MEAT FAMILY PETS- GOOD LOOKS ,
SPEED, AGILITY,OBIDIENCE, DOMESTICATED
CROPS AND PLANTS - LETTUCE- FROSRT
RESISTANT, DISEASE/ PEST RESISTANT,
INCREASED PRODUCTION FLOWERING PLANTS-
COLOUR/SCENT, LARGE BLOOMS
- THIS IS WHERE HUMANS (FOR
THEIR OWN BENEFIT) DEVELOP
PATICULAR VARIETIES OF
PLANTS/ ANIMALS WITH
FAVOURABLE
CHARACTERISTICS. HOW?
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