Meiosis in $Ulothrix$ takes place during

$A$ - In bryophytes,the gametophyte is dominant and haploid.
$B$ - In pteridophytes,the gametophyte is multicellular,short-lived,and haploid.

Pteris differs from Funaria in having

Which of the following characteristics is common to both gymnosperms and angiosperms?

Assertion $(A)$: $Fucus$ shows a diplontic life cycle.
Reason $(R)$: In $Spirogyra$,the diploid zygote is the dominant and active stage.

Bryophytes differ from pteridophytes in