Answer:
Genetics is the study of how heritable traits are transmitted from parents to offspring. Humans have long observed that traits tend to be similar in families. It wasn't until the mid-nineteenth century that larger implications of genetic inheritance began to be studied scientifically.
Explanation:
The correct answer is (d.) proteins. Higher organisms use nitrogen to make their protein. Food that is containing protein also involves nitrogen in it. Protein also has amino acids that contain nitrogen in it which is a necessary essential nutrient for the body.
Hemophilia is a genetic disorder that causes a protein required for normal blood clotting to be missing. The mode of inheritance for hemophilia is sex-linked.
Answer: a. sex-linked
Answer:
The nucleus
Explanation:
It is the control center of the cell. It contains DNA, which tells the cell what proteins are to be made.