Please help i am on a dead line and am stuck on this question,
Gametes produced in the process of meiosis in humans (chromosome 4)has a long and short arm the short arm has the gene for Huntington's (H) attached and the long arm the gene for Red hair (R) i need to show (i) a labelled diagram of a diployd cell at the end of Anaphase I of meiosis for somebody
Heterozygous for both.
(ii)a labelled diagram showing the product cells derived from this cell
at telophase II assume no crossing over.
(III) state the differences in the product cells at telophase II if a crossing over had occured halfway between the Huntington gene and the centromere. many thanks
so am i
i have for q3 a diagram with the genes at the polar points of the cell in part ii
could you help me onq4 as this is quite heavy going
Please help i am on a dead line and am stuck on this question,
Gametes produced in the process of meiosis in humans (chromosome 4)has a long and short arm the short arm has the gene for Huntington's (H) attached and the long arm the gene for Red hair (R) i need to show (i) a labelled diagram of a diployd cell at the end of Anaphase I of meiosis for somebody
Heterozygous for both.
(ii)a labelled diagram showing the product cells derived from this cell
at telophase II assume no crossing over.
(III) state the differences in the product cells at telophase II if a crossing over had occured halfway between the Huntington gene and the centromere. many thanks
I think everyone is stuck on this question! I know what anaphase looks like but im not sure if there needs to be one pair of chromosomes, and where do the H and R go? Any ideas?
Hi Bex Q4 regulating mortality factor
is basiclly natures contraceptive
it is a way of controling pest numbers
and can be done by verious methods, weather,preditors,ect hope this helps and is not to late
I apologize for any confusion, but it seems like your question about a labeled diagram for anaphase I of meiosis is separate from the question about regulating mortality factors. Let's focus on the meiosis question first:
(i) Labeled diagram of a diploid cell at the end of Anaphase I of meiosis for someone heterozygous for both the Huntington's gene (H) and the Red hair gene (R):
To draw this diagram, you'll need to understand the process of meiosis and how homologous chromosomes separate during Anaphase I. Here's a step-by-step guide:
1. Start with a diploid cell containing two pairs of homologous chromosomes, one pair referring to chromosome 4. Label one homologous chromosome as "Hr" (short arm has the Huntington's gene) and the other as "RL" (long arm has the Red hair gene).
2. At the end of Anaphase I, homologous chromosomes separate. Draw two individual chromosomes, each consisting of a short arm (Hr) and a long arm (RL). Make sure to label them accordingly.
(ii) Labeled diagram showing the product cells derived from this cell at telophase II, assuming no crossing over:
To draw this diagram, you'll need to understand the process of meiosis and how chromosome segregation occurs during telophase II. Here's a step-by-step guide:
1. Start with the two chromosomes from the previous step (Hr and RL) representing one pair of homologous chromosomes.
2. During telophase II, the sister chromatids of each chromosome separate. Draw two individual chromosomes, each consisting of a short arm (H) and a long arm (R). Make sure to label them accordingly.
(III) The differences in the product cells at telophase II if a crossing over had occurred halfway between the Huntington gene and the centromere:
If a crossing over had occurred halfway between the Huntington gene (H) and the centromere during meiosis I, the exchange of genetic material could result in the formation of genetically different chromatids. Specifically:
- The chromosomes will still consist of a short arm (Hr) and a long arm (RL), but the genetic information within those arms may be altered.
- The product cells will have a combination of genes that differs from the non-crossing over scenario. The specific changes depend on the position and extent of the crossing over event.
I hope this helps! Let me know if you have any further questions.