<span>New combinations of genes may be produced by </span>immigration, mutation and sexual reproduction. These new combinations are also called variations.
The answer is b I'm positive
pls give brainliest answer
Answer:
A fall-arrest system should be worn while climbing a tree or any tall structure. This will enable the person to have a thing to break or slow his fall if he loses his grasp from the trunk of the tree.
A capital letter represents<span> the dominant form of a gene (allele), and a lowercase </span>letter is the abbreviation for the recessive form of the gene (allele). <span>The </span>Punnett square<span> is a diagram that is used to predict an outcome of a particular cross or breeding experiment.</span>
I hope this información can help
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere. The greenhouse effect is one of the things that makes Earth a comfortable place to live
