FORM 8-A

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                  REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                     PURSUANT TO SECTION 12(b) or (g) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                                  BioTime, Inc.
             (Exact name of registrant as specified in its charter)

                                   California
                    (State of incorporation or organization)

                                   94-3127919
                      (I.R.S. Employer Identification No.)

935 Pardee Street, Berkeley, California                            94710
(Address of Principal executive offices)                         (Zip Code)

Securities to be registered pursuant to Section 12(b) of the Act:


     Title of each class                 Name of each exchange on which
     to be so registered                 each class is to be registered
     ___________________                 ______________________________

            None


Securities to be registered pursuant to Section 12(g) of the Act:

                        Common Share Subscription Rights
                                (Title of Class)

Item 1.  Description of Registrant's Securities to be Registered.

Common Share Subscription Rights

     The Common Share Subscription Rights ("Rights") entitle the holders thereof
to subscribe for and purchase up to an aggregate of 283,109  common  shares,  no
par value ("Common  Shares") of the BioTime,  Inc. (the  "Company").  Holders of
Rights will be entitled to subscribe  for and purchase  from the Company one new
Common Share for every ten Rights held (the "Primary Subscription").  The Rights
may be exercised at any time during the Subscription  Period, which commences on
January  10,  1997 and ends at 5:00 p.m.  New York time on February 4, 1997 (the
"Expiration  Date").  The subscription price per Common Share (the "Subscription
Price") will be $20.00.

         Shareholders, including beneficial owners of shares held in the name of
Cede & Co. as nominee  for The  Depositary  Trust  Company or in the name of any
other depositary or





nominee,  as of the close of business on December 27, 1996 (the  "Record  Date")
who fully  exercise  their Rights will be entitled to the  additional  privilege
subscribing  for and purchasing,  subject to certain  limitations and subject to
allocation,  any Common Shares not acquired by other  holders of Rights  through
the exercise of such Rights.

Item 2.  Exhibits.

1.       A copy of the certificate for the security being registered is included
         as  Exhibit  4(e)  to  Amendment  No.  1 to  Registrant's  Registration
         Statement on Form S-3,  No. 333- 17321,  filed with the  Commission  on
         January 10, 1997, which exhibit is incorporated herein by reference.

2.       Articles of Incorporation,  as amended, are included as Exhibit 3(a) to
         Registrant's  Registration  Statement on Form S-1, No. 33-44549,  filed
         with the  Commission  on December 18,  1991,  and  Amendment  No. 1 and
         Amendment  No.  2  thereto  filed  with  the  Securities  and  Exchange
         Commission on February 6, 1992 and March 7, 1992,  respectively,  which
         exhibit is incorporated herein by reference.

3.       Bylaws,  as  amended,  are  included  as Exhibit  3(c) to  Registrant's
         Registration  Statement  on Form S-1, No.  33-48717 and  Post-Effective
         Amendment  No. 1  thereto,  filed  with  the  Securities  and  Exchange
         Commission  on June 22, 1992 and August 27, 1992,  respectively,  which
         exhibit is incorporated herein by reference.


                                    SIGNATURE

         Pursuant to the  requirements of Section 12 of the Securities  Exchange
Act of 1934, the registrant  has duly caused this  registration  statement to be
signed on its behalf by the undersigned, thereto duly authorized.


Date:  January 9, 1997                            BioTime, Inc.



                                            By:   s/Paul Segall
                                                  ______________________
                                                  Paul Segall, President



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