When there has been an error in copying a DNA, a DNA repair gene fixes its mistakes. However, a person having an error in his DNA repair gene (which are not corrected), it may lead to gene mutations with the possibility of leading to cancer. The mutations of DNA repair gene can possibly be inherited or acquired.
Answer:
R r
R RR Rr
r Rr rr
Explanation:
1:2:1 is the genotypic ratio
<h2>1 nature</h2><h2>2 ecology </h2><h2>3 water cycle </h2><h2>4 carbon cycle</h2><h2>5 chemical cycle </h2><h2>6 ecosystem </h2><h2>7 food chain </h2><h2>8 producers</h2><h2>9 consumers</h2><h2>10 decomposer</h2>
Answer:
Explanation:
a fungus named penicillin produces a substance that kills the bacteria near it. The mold produces the antibiotic penicillin. How do fungi help plants grow? The hyphae spread underground and absorb water and nutrients from the soil for the plant.
