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kolbaska11 [484]
3 years ago
14

How are these cells different from other cells?

Biology
2 answers:
Ad libitum [116K]3 years ago
6 0

Answer:

B: They have half the normal amount of genes

Explanation:

max2010maxim [7]3 years ago
4 0

Answer:B. they have half the normal amount of genes

Explanation: good answer

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e. Red segregated from brown in meiosis I, and straight segregated from curled in meiosis I.

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A cross between two flies heterozygous for both genes produced an offspring with the phenotypic ratio of 9:3:3:1. This ratio is expected according to Mendel's law of independent assortment, which states that alleles of the same gene assort independently during gamete formation.

Before meiosis starts in flies, a single diploid cell duplicates its DNA, so each chromosome has 2 sister chromatids that contain the same information.

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In a heterozygous fly, each homologous chromosome contains a different allele, and the sister chromatids are copies that carry the same allele. For that reason, both traits were segregated during meiosis I.

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