Answer:
Dog breeding
Explanation:
Humans select traits they desire in pets,
Some of these traits would be selected against by nature:
Ex: Toy breeds have fragile bones, poor health and few defensive capabilities, meaning they are a snack to any predator even small ones like a fox.
Nature wants healthy, strong individuals, in the wild big enough to hunt and strong enough to fight off other predators.
Answer:
4 chromosomes
Explanation:
Scientists often study fruit flies because they have large chromosomes whose genes are easy to see. Every body cell of a fruit fly has 8 chromosomes. Every fruit fly gamete (sperm or egg) has 4 chromosomes.
Answer:
The answer is D
Chromosomes contain genes, and genes are made of DNA.
Answer:
you can find carbon,hydrogen, oxygen, nitrogen, and phosphorus. Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words.
Explanation:
Genes.
A gene is a section of a DNA molecule that contains the information to code for one specific protein. The gene contains the code that determines the structure of a protein.
