Identical twins have 100% of alleles in common.
Mutations are the source of all new alleles. An allele is a variant form of a gene. Variations in alleles lead to variations in organisms. Positive mutations give an organism a better chance of survival. It means that the mutation may be passed on to the offspring. Negative mutations may lead to an early death.<span> Therefore, changes in alleles from one generation to another form the basis of evolution.</span>
Answer:
Explanation:
because it not 3rd it has no shadow
Answer:
The dominant allele will be expressed.
Explanation:
When both alleles are present in the genotype, the dominant allele "masks" the recessive allele so that only the dominant trait is expressed.
1. Plastic is made of natural chemicals and is used for multiple things, such as culinary sets and water bottles
2. Metals are found in mines, and are used for currency and engineering
