Remember for a di hybrid cross with two completely heterozygous parents, the phenotypic ratio will always be 9:3:3:1
9 will always display both dominant traits, black and rough hair. 3 will display black hair and smooth hair and 3 will display not black hair and rough hair and 1 will display both receive traits
Answer:
c
Explanation:
it is older because it was buried deeper than the fossil in layer d
You can reduce the levels of matter pollution by reducing the amount of particulate matter produced through smoke and by reducing vehicle emissions. Reduce the amount of particulate matter produced through any types of smoke.
The word biology comes from the Greek word <em>bios</em>, meaning life, and <em>logos</em>, meaning study.
The major ingredient of scientific argument is scientific evidence and known science concepts. Thus through scientific idea, expectations and observations a scientific argument is given birth to. Scientific argument are usually arrived at by mean of scientific methods.