The Maternal Effect In Lymnaea Is Such That the Genotype

question 16

Multiple Choice

The maternal effect in Lymnaea is such that the genotype of the egg determines the direction of shell coiling regardless of the genotype of the offspring.Apparently,the cause of this spectacular maternal effect results from .

• A)orientation of the spindle apparatus in early cleavage
• B)genophores present in the egg cytoplasm
• C)colicins "poisoning" one of the cleavage centers
• D)allelic substitution as demonstrated from RNA injection experiments
• E)the F factor exerting its influence on the centrosome

---

Definitions:

Central Bank

A national bank that provides financial and banking services for its country's government and commercial banking system and implements monetary policy.

Money Supply

The whole sum of economic financial assets at a specified time.

Money Supply Growth Rate

The rate at which the total amount of monetary assets available in an economy increases over a specific period.

Long-run Phillips Curve

A concept in economics indicating that in the long run, there's no trade-off between inflation and unemployment, showing a vertical line at the natural rate of unemployment.