As the gene responsible for haemophilia is recessive, so the symptoms of this disease is only manifested in ____ condition.
WBBSE
Class X
Life Science
03 (a) Heredity
1 Marks
2022
homozygous recessive
Explanation
Haemophilia is a genetic disorder caused by a recessive gene. Symptoms appear only when the individual inherits two recessive alleles (homozygous recessive) for the disease, meaning no dominant allele is present to mask the effect.
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