INDEPENDENT WORK of the STUDENTS

Date: 2015-10-07; view: 383.

The Darwin Theory.

Speciation. Kinds of speciation.

5. Genetic heterogeneity. Genetic burden.

6. Characteristics feature of elementary evolutional factors activity in human populations.

8.Thesynthetic theory of evolution.

To acquisition of practical skills of using the genetic laws and methods of examination solve tasks.

1. The frequency of albinos birth is 1:20 000. Define the frequency of albino recessive gene and frequency of heterozygotes within population.

2. A population has 84 000 persons, and 21 persons within the population have infantile type of cerebral sphingolipidosis (Tay-Sachs disease). Define the frequency of the cerebral sphingolipidosis recessive gene and frequency of heterozygotes within population.

3. A frequency of autosomal recessive gene of congenital amaurotic idiocy (Norman-Wood syndrome) is 0,009. Define the quantity of sick people within population, if general quantity of inhabitants is 100000 persons.

4. A frequency of autosomal dominant gene of tuberous sclerosis is 0,7%. Define the frequency of sick people within population.

5. The quantity of the sick people having Rieger Syndrome in the population is 5. The quantity of inhabitants in the population is 1000000 persons. Define the frequency of autosomal dominant gene.