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Inheritance
Flashcards
27
Biology
2nd Grade
06/11/2014

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Term
[image]
Definition
Stigma, where the pollen lands
Term
[image]
Definition
Ovary, where fertilization takes place
Term
[image]
Definition
Sepals, protect the flower bud.
Term
[image]
Definition
Petals, to attract pollinators
Term
[image]
Definition
Anther, contains pollen
Term
Gene
Definition
Small piece of DNA which encodes for a protein
Term
Chromosome
Definition
Long thread-like piece of DNA
Term
Clone
Definition
Group of organisms genetically identical
Term
Ways to disperse seeds
Definition
Wind, animal internal, animal external, water
Term
Advantage of sexual reproduction
Definition
Variety in offspring, one may be able to adapt and survive changes in the environment
Term
Advantage of asexual reproduction- Give example of organism
Definition
if organism is perfectly adapted to its environment, its offspring will be too.
Strawberries, potatoes
Term
Disadvantage of sexual reproduction
Definition
Organism might not be able to find a mating partner.
Term
Genotype
Definition
The pair of alleles represented by a pair of letters
Term
Phenotype
Definition
The appearance of an organism
Term
Dominant allele
Definition
Can mask other alleles
Term
Allele
Definition
The alternative form of a gene
Term
Recessive allele
Definition
Allele which can be masked by a dominant one
Term
Small piece of DNA which encodes for a protein
Definition
gene
Term
Long thread-like piece of DNA
Definition
Chromosome
Term
Genetically identical organism
Definition
Clone
Term
The pair of alleles represented by a pair of letters
Definition
Genotype
Term
The appearance of an organism
Definition
Phenotype
Term
Can mask other alleles
Definition
Dominant allele
Term
Is masked by dominant alleles
Definition
Recessive allele
Term
Number of chromosomes in humans, how they are arranged
Definition
46 arranged in 23 pairs
Term
Disadvantage of sexual reproduction
Definition
If environmental conditions change, the organism might not survive
Term
Give the name of one condition with abnormal karyotype.
Definition
Down syndrome, triple x syndrome
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