SEX LINKED INHERITANC DEFINITIONS AND KEY POINTS FOR OBJECTIVES

TERMS DEFINITIONS
Sex linkage The genes present on the sex chromosomes

are    called     sex    linked     gene    and    this
phenomenon is know. as sex linkage.

Reciprocal cross A cross in %vhich the sexes of the organisms are reversed as compared to original cross is called reciprocal cross.
V — linked trait The genes present on the Y chromosomes are

called    \’-linked   genes   and   their  traits   are
called Y-linked traits.

X and V linked genes The    genes  present   on     both   X    and    Y

chromosomes   are  called     X  and   Y  linked


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X0 mechanism The sex den;rmining mechanism in which sex is determined by by X chromosome only is called X() mechanism.

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