Flashcards
Biology- Genetic Diagrams and Sex Chromosomes
Cards in this deck (7)
- 1Name one type of genetic diagram.Punnett squares are genetic diagrams.
- 2What are the 23rd pair of chromosomes?They are the sex chromosomes so they decide whether you are male or female.
- 3What alleles do males have?XY- The Y chromosome is what creates the male characteristic.
- 4What alleles do women have?XX- The lack of Y chromosome creates female characteristics.
- 5What percentage chance is there of having a boy?50% chance. There is also a 50% chance of having a girl.
- 6What causes the male reproductive system to occur?The Y chromosome creates testes and this in turn creates the male sex hormone and completely develops the male reproductive system.
- 7What creates the female reproductive system?In females the Y protein is not produced so this creates ovaries and then in turn produces the whole of the female reproductive system.
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- A Levels Biology (GCSE) Flashcards on Biology- Genetic Diagrams and Sex Chromosomes , created by Laura Perry on 12/05/2014.
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- Laura Perry · May 2014
- Updated
- Feb 19, 2016
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