'Rryy rryy' presentation slideshows

Oogenesis

Oogenesis. As embryo until menopause... Ovaries Primordial germ cells (2N) Oogonium (2N) Primary oocyte (2N) Between birth & puberty; prophase I of meiosis Puberty; FSH; completes meiosis I Secondary oocyte (1N); polar body Meiosis II; stimulated by fertilization

7.87k views • 125 slides

What about two traits? Dihybrid Crosses

What about two traits? Dihybrid Crosses. Consider two traits for pea: Color: Y (yellow) and y (green) Shape: R (round) and r (wrinkled) Each dihybrid plant produces 4 gamete types of equal frequency (amount). YyRr (adult) ? four gamete types: YR , Yr , yR or yr. Check point.

750 views • 45 slides

Inheritance - Mendel

Inheritance - Mendel. the transfer of characteristics (traits) from one generation to another your inherited characteristics (traits) are determined by the genes located on your chromosomes. Gene. a short segment of a chromosome coding for one trait . Homologous chromosomes :.

506 views • 32 slides

Dihybrid Crosses

Student Expectation (SE) 6F - predict possible outcomes of various genetic combinations such as monohybrid crosses , dihybrid crosses and non- Mendelian inheritance. Dihybrid Crosses. Monohybrid Cross Review.

490 views • 14 slides

250 views • 8 slides