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Genetics Practice 3

QuestionAnswer
The diagram below represents a portion of a type of organic molecule present in the cells of organisms. PHOTO What will most likely happen if there is a change in the base sequence of this molecule? The amino acid sequence may be altered during protein synthesis.
The Y-chromosome carries the SRY gene that codes for the production of testosterone in humans.Sometimes a mutation occurs and the SRY gene is lost from the Y-chromosome and added to the X-chromosomes(see PHOTO) Based on the diagram, which is correct? The production of testosterone influences the development of male characteristics
Down syndrome is a genetic disorder caused by the presence of an extra chromosome in the body cells of humans. This extra chromosome occurs in a gamete as a result of an error in meiotic cell division
Which of the following statemens indicates that different parts of the genetic information are used in different kinds of cells, even in the same organism? As an embryo develops, various tissues and organs are produced.
Which diagram best represents the relative locations of the structures in the key below? PHOTO 2. DABC
Hereditary information is stored inside the ________________ nucleus, which has chromosomes that contain many genes
The largest amount of DNA in a plant cell is contained in ________ a nucleus.
Which two structures of a frog would most likely have the same chromosome number? skin cell and fertilized egg cell
Chromosomes can be described as coiled strands of genetic material
A mutation changes a gene in a cell in the stomach of an organism. This mutation culd cause a change in __________ the organism, but not its offspring.
Created by: Mrs. Birchmore
 

 



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