Practice free Hereditary and Variation (Botany) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Recessive allele of an enzyme coding gene may be responsible for the production of
NCERT Page No. 76
Genes which code for a pair of contrasting traits are known as
NCERT Page No. 72
ABO blood groups are controlled by which gene
NCERT Page No. 77
Co-dominance refers to the condition where F1
NCERT Page No. 77
Recessive character is expressed in
NCERT Page No. 71
Our ancestors knew about the inheritance of characters and variations because-
NCERT Page No. 69
Monohybrid cross can be defined as
NCERT Page No. 73
Types of gametes produced by a homozygous parent
NCERT Page No. 73
Disorder caused by the trisomy of chromosome number 21
Down's syndrome is caused by the presence of an extra copy of chromosome 21, resulting in trisomy 21. This genetic disorder is characterized by distinctive facial features, intellectual disability, and an increased risk of certain medical conditions.
Down’s syndrome was first described in the year
NCERT Page No. 91
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