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Down
Traits that show limited variation in their phenotypes which are
easily distinguishable. It is usually controlled by only one or a
few genes. It is not affected by the environment. E.g. detached
earlobes it’s either yes or no.
The process resulting in the production of genetically identical
offspring from one parent, without the fusion of gametes.
The transfer of pollen grains from the anther the stigma of the
same flower or of a different flower on the same plant.
An action that is under the control of the will, requires thinking
so it’s obviously slower than involuntary/reflex actions
A form of a gene that is expressed and masks the recessive
gene. It gives the same phenotype in both homozygous and
heterozygous conditions as it expresses itself.
A nerve fibre that transmits impulses away from the cell body
of a neurone.
A nucleus containing two sets of chromosomes.
A junction between two neurones.
2)
7)
8)
10)
12)
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15)
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Across
The differences that can be observed within a species.
A group of organisms of the same species living together in the
same habitat.
Blood vessels which carry blood away from the heart.
Ductless glands that secrete hormones into the bloodstream.
Microscopic thin walled (one cell thick) blood vessels which
carry blood from a small artery (arteriole) to a small vein
(venule), enable exchange of materials.
An ecological system formed by the interaction of living
organisms (biotic) and their non living (abiotic) environments.
A change in base sequence of DNA.
Two or more food chains interlinked together.
Nurullah ARSLAN
10-B
BIOLOGY DEPARTMENT
TEACHERS
Head of Department
Elif OLGUN
Teachers
Öykü DULUN
Özge KEŞAPLI CAN
Bige SÖZEN KILIÇ
72
THE CLAPPER 2015 - 2016