The ________ is written in DNA, a polymer made up of four distinct nucleotides.
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homologous pair
Each ________ is made up of one chromosome from the maternal set (red) and one from the paternal set (yellow) (blue)
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reproductive cells
Gametes, which are ________ in animals and plants, are the vehicles that carry genes from one generation to the next.
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Drosophila melanogaster
The fruit fly ________, for example, has a diploid number (2n) of 8 and a haploid number (n) of 4, whereas dogs have 2n of 78 and n of 39.
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Male
________ and female gametes (sperm and eggs) combine during fertilization, passing on genes from both parents to their offspring.
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scientific study of heredity
The ________ and inherited variation is known as genetics.
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haploid sets of chromosome
The resulting fertilized egg, or zygote, is diploid because it contains two ________- bearing genes representing the maternal and paternal family lines.
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bdelloid rotifer
A(n) ________, an animal that reproduces only asexually.
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Karyotypes
________ are created by isolating somatic cells.
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microscope
Are stained when they are most condensed- during metaphase- and then seen via a(n) ________ using a digital camera.
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Nonsister chromatids
________ are one maternal and one paternal chromatid in a pair of homologous chromosomes.
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Bdelloid rotifers
________, it turns out, are an exception to the norm that sex alone creates genetic diversity: Other than sexual reproduction, bdelloids have ways for creating genetic diversity.
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