Question

l.8.2.a formative 1
lana drew the diagram below to model asexual reproduction.
based on lana’s diagram, which statement explains the results of asexual reproduction?
the offspring are not genetically identical to the parents, because two parents each contribute half of their chromosomes to each offspring.
the offspring are not genetically identical to the parent, because each offspring receives only half of the chromosomes from a single parent.
the offspring are genetically identical to the parent, because each offspring receives a complete copy of a single parent’s chromosomes.
the offspring are genetically identical to the parents, because two parents each contribute a complete copy of their chromosomes to each offspring.

Explanation:

In asexual reproduction, a single parent produces offspring. The offspring inherit a complete copy of the parent's chromosomes (since there's no fusion of gametes from two parents). So the offspring are genetically identical to the parent because they get a complete copy of the parent’s chromosomes. Let's analyze the options:

• First option: Talks about two parents, but asexual has one parent. Eliminate.
• Second option: Says offspring get half from a single parent, but asexual offspring get a full set (clone). Eliminate.
• Third option: Correct, as asexual reproduction (like binary fission, budding) results in offspring with the same genetic material as the parent (complete copy of parent’s chromosomes), so they are genetically identical.
• Fourth option: Talks about two parents, which is sexual reproduction. Eliminate.

Answer:

The offspring are genetically identical to the parent, because each offspring receives a complete copy of a single parent’s chromosomes.