Answer:
<h2>Homozygous recessive individual
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Explanation:
1. Test cross is done To identify whether an organism exhibiting a dominant trait is either homozygous or heterozygous for a specific allele, a scientist can perform a test cross.
2. The organism which we want to check is crossed with an organism that is homozygous for the recessive trait, and the offspring of the test cross are examined.
3. Performed with an unknown dominant phenotype and homozygous recessive.
Answer:
Murine fibroblasts
Explanation:
Fibroblasts are the most common cellular type in the connective tissue of mammals and immortal murine fibroblasts are often used in molecular biology to study different characteristics such as, for example, to understand the tissue repair processes
They are a species that is closely related to, but distinct from, Homo sapiens.
Hope this Helps
The first three answers are natural changes, while the last three are because of human intervention.
Explanation:
The primary structure of a protein refers to the sequence of amino acids in the polypeptide chain. The primary structure is held together by peptide bonds that are made during the process of protein biosynthesis. ... The sequence of a protein is unique to that protein, and defines the structure and function of the protein.