A pedigree chart below shows the inheritance of a particular sex-linked trait ("trait") Key: Unaffected Males Affected Males Unaffected Females Affected Females How is the trait being studied in the pedigree chart above?
Dominant $X$-linked
Recessive $X$-linked
Dominant $Y$-linked
Recessive $Y$-linked
Genes for cytoplasmic male sterility in plants are generally located in
In Lathyrus odoratus, hybrid blue flowered and long pollen plant is test crossed with homozygous recessive red flowered and round pollen plant then how many parental types are obtained when genes are present in cis stage in parents?
$A$ : One drum stick per nucleus is present in the neutrophil of normal female.
$R$ : It is absent in the neutrophil of male
In a mutational event, when adenine is replaced by guanine, it is the case of
Barr bodies are