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GCSE BIOLOGY - INHERITANCE

Horizontales
The characteristic which is expressed. For example; blue eyes.
Different forms of the same gene.
The combination of alleles you have. For example; Hh, HH or hh.
An inherited disorder caused by a dominant allele where a person is born with extra fingers and toes.
An inherited disorder where a person has a lot of sticky mucus in the air passages (two words).
The type of allele that is always expressed.
The name of the male gamete containing 23 chromosomes.
Verticales
The combination of alleles represented by a capital letter and a lower case letter. For example, Hh.
You need two copies of this allele for a characteristic to be expressed.
The name of the female gamete containing 23 chromosomes.