Encoding, storage, and retrieval are the three stages involved in
remembering information. The first stage of memory is encoding. In this
stage, we process information in visual, acoustic, or semantic forms. This lays
the groundwork for memory.
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Answer:
The action and reaction forces act on separate objects.
Explanation:
If you push a brick across a flat plane the action force is acting on the brick but the reaction force is acting on your hand.
Answer:
C. homozygous recessive
Explanation:
In a certain trait determined by one gene with two alleles, the possible genotypes and phenotypes are:
- AA: homozygous dominant, A_ phenotype.
- Aa: heterozygous, A_ phenotype.
- aa: homozygous recessive, aa phenotype.
When you're given information about the amount of individuals of A_ and aa phenotypes in a population, you have no way of knowing if the individuals with the A_ phenotype are homozygous dominant or heterozygous. However, the individuals with aa phenotype have, without a doubt, homozygous recessive genotype, and you can therefore use that information to calculate the allele frequencies.
The genotypic frequencies in Hardy-Weinberg equilibrium are:
- p²= freq (AA)
- 2pq = freq (Aa)
- q²=freq (aa)
And since <em>p + q = 1</em>, after calculating <em>q </em>you can obtain <em>p</em>.