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laboratory manual and workbook for biological anthropology engaging with human evolution

44 LAB 2 Genetics EXERCISE 2 COMPARING KARYOTYPES Work with a group of your classmates to review the two karyotypes and answe
ame: Date: 3. Which karyotype is from a human? How do you know this? 4. Which karyotype is from a chimp? How do you know this
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Answer #1

1. No and types of sex chromosomes ( 2 in number and X&Y) and banding pattern is almost common.

2. In chimpanzees there are 24 pairs of chromosomes and in humans there are 23 pairs of chromosomes . Chimp has two types of chromosome # 2 i.e 2A & 2B .

3. Karyotype representing animal 2 is human karyotype beacuse human chromosome #2 is evolved by fusion of chromosome 2A & 2B so , only one chromosome #2 is present .

4. Animal 1 is chimp karyotype bcz of 2 types of chromosome #2 are present , a significant characterstics of chimp karyotpye .

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