Answer:
Rr Rr
Explanation: The parents of the cat have to have an R allele to be a curled cat, but they can't be RR because that is a dominant gene, meaning that the recessive trait cannot happen. This means that the parents have to have a recessive trait, which means that they are heterozygous.
Answer:
Both require a vacuum and a compound microscope has greater magnification ability than a simple microscope.
Explanation:
Answer:Ways of protecting one's self from human sources of biological hazards include: Effective use of personal protective equipment such as hand gloves, nose masks, face cover, shoe cover.
Explanation:Human sources of biological hazards may include waste products from human such as faeces, urine and also fluids such as blood from bleeding wound, saliva and so on. These substances may harbor bacterial and viral infections which may result in biological hazards. Therefore, good personal hygiene and use of personal protective equipment will protect one from biological hazards related to human sources.