epistatic gene
Explanation:
Some genes mask the expression of other genes just as a fully dominant allele masks the expression of its recessive counterpart. A gene that masks the phenotypic effect of another gene is called an epistatic gene; the gene it subordinates is the hypostatic gene.
In meiosis? Tetrads maby? When two homologus chromosomes do crossing over they're called tetrads so..
Answer:
There are many types of crows (Like the American Crow, Little Crow, and the Brown-Headed Crow) that live all around the world.
The American Crow is found all around North America.
The four main types of animal tissues are <span>epithelial,connective, muscular, and nervous tissue. Although I'm not 100% sure I hope this helped :)</span>
