The most important role of meiosis in sexual reproduction is
What will be an ideal response?
that it prevents the chromosome number from doubling in each generation
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FISH analysis is useful for determining the
A) order of DNA fragments in a BAC. B) pattern of expression of a cloned gene. C) chromosomal location of a gene. D) map order of two closely linked genes.
In a family, both parents have freckles and widow's peak. Both of these traits are dominant: F = freckles, W = widow's peak
What is the correct phenotypic ratio of the next generation if the parents were heterozygous? The order of the genotypes is: freckled with widow's peak; freckled, straight hairline; no freckles with widow's peak; no freckles, straight hairline. A) 9:3:1:1 B) 9:3:3:1 C) 9:1:1:3 D) 1:3:3:9
A group of living things whose members can successfully breed with one another is called a(n) ________
Fill in the blank(s) with correct word
If you place a small piece of a cracker on your tongue, what would you expect to happen?
A) The vitamins in the cracker are immediately absorbed. B) Salivary amylase degrades the starch from the cracker into glucose. C) The proteins in the cracker begin to be digested. D) The flavor becomes less noticeable because the sugars are digested.