The answer is <span>a. Each gene is at the same locus on both chromosomes.
Since e</span><span>ach gene is at the same locus on both chromosomes, they are able to pair correctly before they separate in meiosis. They never produce identical phenotypes. Also, the genes and alleles on the homologous chromosomes are not identical. </span>
Scientists use similarities between organisms to connect them. The similarities and contrasts between fossils discovered in sedimentary rock and living species can be compared.
They are alike cause you need them to build upon like bricks.
Answer:
Mutations during meiosis can often lead to disorders, diseases, etc.
Explanation:Let's say that one of the tetrads formed in the first steps of meiosis It doesn't separate and goes on.
When making gametes, some will contain the necessary amount of chromosomes while others will not
They construct dams and create an ecosystem for other species . Because of their dam building nests become available for birds, fish population increases and waterfowl population goes up