biết gen A quy định hat vàng trội hoàn toàn so với gen a quy định hạt xanh nằm trên NST thường . cho cây vàng tự thu phấn , kiểu gen con ra đời là gì

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology

Which of the following describes what an activator an enhancer are