Answer:
Explanation:
Given -
Total Population - 
Individuals with homozygous HbA/hbA genotype - 
Individuals with homozygous hbs/hbs genotype -
Individuals with heterozygous hba/hbs genotype - 
Let us assume the given population is in Hardy Weinberg' equilibrium
The frequency of individuals in the given population with homozygous HbA/hba genotype is equal to number of individuals with homozygous HbA/hba genotype divided by total population.
The frequency of hba allele is equal to
Answer:
The fusion of a egg and a sperm produces a zygote with 46 (2n) chromosome number.
Answer:
Are caused by bacteria viruses or parasites
Explanation:
not all cause visible symptoms
it would not be a sexual transmitted infection if not caused by sexual contact
STIs can be contracted by men and women
There are three stages in the life cycle of a spider : - the first is embryonic stage, then the larval stage and finally nympho- imginal stage.
<span>How can a mutation in a DNA base sequence cause a change in a trait?</span>
