1) Some substances not usually found in large quantities in urine would be ______, ______, ______, and ______. 2) When the sperm cell unites with egg cell this is known as ______.   Usually, this happens in the ______.   After four or five days, the developing zygote arrives the uterus, where […]

Mobile pieces of DNA – transposable elements – that insert themselves into chromosomes and accumulate during evolution make up more than 40% of the human genome. Element of four types – long interspersed elements (LINEs), short interspersed elements (SINEs), LTR transposons and DNA transposons – are inserted more or less […]

Biology Questions 1- Cancer cells are rogue clones. List and describe three mutations that allow these cells to escape the normal restrictions placed on our body’s cells. 2- There are many actions that you can take to improve your lifestyle and reduce your risk of developing cancer. How can you […]

Waxy endosperm (wx), shrunken endosperm (sh), and yellow seedling (v) are encoded by three recessive genes in corn that are linked on chromosome 5.A corn plant homozygous for all three recessive alleles is crossed with a plant homozygous for all the dominant alleles.The resulting F1 are then crossed with a […]