Biology, 05.03.2022 14:00 Goldenstate32
2a. Suppose that each gamete in the figure shows the number of copies of chromosome 21 in
an egg. In the space below, draw a diagram to show how a normal sperm could fertilize one of
these eggs to produce a zygote that would develop into a child with Down syndrome. Show the
number of copies of chromosome 21 in the egg, sperm and zygote.
Answers: 2
Biology, 22.06.2019 03:00
Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.
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Biology, 22.06.2019 03:00
Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight
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Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?
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2a. Suppose that each gamete in the figure shows the number of copies of chromosome 21 in
an egg....
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