MCQ
Choose incorrect pair.
- AInterstitial cells : male sex hormone testosterone
- BSertoli cells : provide nutrition to the developing sperms
- CSeminal vesicle : produce seminal plasma
- ✓Prostate gland : responsible for sperm formation
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$(i)$ Due to alteration of $DNA$ sequences genotype is change.
$(ii)$ Changes occur in phenotype.
$(iii)$ Variation create in $DNA$
Choose the correct option for $A, B$ and $C$ to complete the given $NCERT$ statement
$(A)$ Linked genes cause absolute lethality
$(B)$ Persons affected by $PKU$ do not show mental disorder
$(C)$ $F_{2}$ ratio in codominance and incomplete dominance are same
$(D)$ Sex of male Drosophila is dependent on $Y-$chromosome