If a agouti mice $(CcAa)$ is crossed with albino mice $(ccAA)$, then how many albino mice are produced in resulting progeny?
$4$
$9$
$2$
$3$
The phenomenon of a single gene regulating several phenotypes is called
Philadelphia chromosome'' is found in the patient suffering from
Linkage was first observed in
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose.
An abnormal human baby with $‘XXX’$ sex chromosomes was born due to