| Regents
Biology Mrs. Kilmartin Marshmallow Meiosis Lab |
A
mallow is a little marshmallow organism that
has 14 chromosomes (7 pairs). It
reproduces sexually. Male mallows go
through spermatogenesis to make sperm and female mallows go through oogenesis to
make eggs. The sperm and eggs each
have 7 chromosomes due to meiosis. When
fertilization occurs, 7 chromosomes are given by each parent, and the baby
mallow has 14 chromosomes. The mallow diploid (2n) number is 14 and the haploid
(n) number is 7.
Mom
and Dad Mallow
Purpose:
1. To understand the process of meiosis, fertilization, and development
2. To understand the role of alleles in determining traits of an offspring
3. To understand the difference between genotypes and phenotypes
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Baby Mallows: These babies are all siblings. 127 different offspring are possible due to the recombination of alleles.
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Mallow Nursery |
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Baby Mallow, Birth Certificate, and Karyotype |
Marshmallow Meiosis Reference:
www.iloveteaching.com/writesci/Rebops/
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