Term
| Does sex always involve reproduction? |
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Definition
| No. Sex can be any process that results in exchange of genetic matter, doesn't have to include reproduction |
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Term
| Which gender has gametes that retain organelles? |
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Definition
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Term
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Definition
production of new female
individuals from unfertilized eggs (A form of asexuality) |
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Term
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Definition
this hypothesis assumes that sex
functions to help correct errors in DNA replication and
that it also helps to remove deleterious mutations
(Harris Bernstein) |
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Term
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Definition
assumes that variation allows
development of individuals that are different in each
generation, with the possibility that they will be able to
move into new environments (George Williams;
Michael Ghiselin) |
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Term
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Definition
originally conceived as a response to
parasites and that the genetic variation produced
during sex helps organisms to stay ahead of their
parasites (Leigh Van Valen); it has since been
generalized to diseases and even to conspecifics. |
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Term
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Definition
members
of the same species |
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Term
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Definition
(1) entry into a host cell, (2) replication of the viral genome,
(3) the production of viral proteins, (4) the assembly of a new
generation of virus particles, and (5) exit from the infected
cell. |
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Term
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Definition
| When an organism is sometimes asexual, but sometimes has sex |
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Term
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Definition
both male and female flowers occur on
the same individual |
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Term
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Definition
| male and female flowers are on separate individuals |
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Term
| Sequential hermaphrodites |
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Definition
begin life as
females and become males later in life |
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Term
| Simultaneous hermaphrodites |
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Definition
act as both
male and female and
reverse role with the same
mate. |
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Term
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Definition
the term used when there is a large
difference in gamete size |
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Term
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Definition
| gametes are approximately the same size |
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Term
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Definition
results from cytoplasmic
determinants present in the egg before
fertilization |
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Term
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Definition
regulate the expression of other
genes |
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Term
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Definition
the set of rapid cell divisions
(without growth) that follows fertilization |
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Term
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Definition
involves the production of three
embyronic layers and elongation of the
developing embryo |
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Term
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Definition
| is the replacement of one structure by another. |
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