Post-lab question 4 How do you determine the sex of an individual when examining
ID: 256742 • Letter: P
Question
Post-lab question 4
How do you determine the sex of an individual when examining their karyotype?
Post-lab question 6
If the chromosome number for an organism is 22 before mitosis, what is the chromosome number of each daughter cell after mitosis has taken place?
Post-lab question 9
If a cell in an organism had 16 chromosomes before meiosis, how many chromosomes would exist in each nucleus after meiosis? What is the diploid number? What is the haploid number?
After meiosis
Diploid number
Haploid number
Post-lab question 11
Describe the differences between haploid and diploid cells
Where IN THE BODY are they found?
Post-lab question 14
Describe THREE differences in DNA and RNA structure.
Post-lab question 17
What amino acid would be produced if transcription took place from the DNA sequence CAT?
If a genetic mistake took place during replication and the new DNA strand has the sequence CAG what amino acid would result?
What amino acid would result if the genetic mistake resulted in the DNA strand with the sequence GAT?
Explanation / Answer
Question 4
The sex can be determined by seeing the chromosome X and Y.
If the karyotype shows two XX then the sex is female and if the karyotype shows XY, then the sex is male.
Question 6
the chromosome number of each daughter cell after mitosis has taken place is 22.
Reason: During mitosis, the chromosome number remains same.
Question 9
After meiosis - 8
Diploid number - 16
Haploid number - 8
Reason: Meiosis is called reductional division. The number of chromosomes reduced to haploid during meiosis.
Question 11
Haploid:
-1 copy of each chromosome (1n)
- The consists of only one sex chromosome
-They are generally reproductive cells also called germ cells.
Diploid:
-2 copies each chromosome (2n)
-2 sex chromosomes
-not reproductive cells also called somatic cells
Haploid cells are found in gonads
Diploid cells are found in bodily cells except gonads.
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