Homework Answers
ANSWER.
* Edward syndrome is a trisomy chromosomal disorder characterized by
presence of an extra copy of chromosome 18.
* Total number of chromosome in a normal person is 46.
* So a person with Edward syndrome have 47 chromosomes.
* Other examples of 47 chromosome disorders are down syndrome and
Palau syndrome.
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Question 2 1 pts How many chromosomes does a person with Edward syndrome have? . 45...
Question 8 2 pts Humans have 23 pairs of homologous chromosomes, given this information how many...
Question 8 2 pts Humans have 23 pairs of homologous chromosomes, given this information how many copies of each gene would you find in a normal human gamete? .2 --25 thousand 0 46 23
Question 1 1 pts Sex determination in mammals is due to the SRY region of the...
Question 1 1 pts Sex determination in mammals is due to the SRY region of the Y chromosome. An abnormality of this region could allow which of the following to have a male phenotype? O a person with an extra X chromosome Turner syndrome, 45, X O Down syndrome, 46, XX O a person with one normal and one shortened (deleted) X O translocation of SRY to an autosome of a 46, XX individual Question 2 1 pts What does...
1) If a parent cell has 48 chromosomes, how many does each daughter cell have at...
1) If a parent cell has 48 chromosomes, how many does each daughter cell have at the end of meiosis II? 2) Which processes increase variation during meiosis? (This question will require more than a 1- or 2-word answer.) 3) What term describes the pairing of chromosomes during prophase I.
Question 9 2 pts How many sex chromosomes are found in a human sperm cell? 02...
Question 9 2 pts How many sex chromosomes are found in a human sperm cell? 02 04 1 0 0
D Question 5 2 pts If a cell with 2n-28 chromosomes under goes mitosis, how many...
D Question 5 2 pts If a cell with 2n-28 chromosomes under goes mitosis, how many chromosomes are present in metaphase? 28 56 7 0 0 14
How many chromosomes and chromatics would a typical human cell have after duplication but before mitosis?...
How many chromosomes and chromatics would a typical human cell have after duplication but before mitosis? 0 46 chromosomes, 92 sister chromatids o 23 chromosomes, 46 sister chromatids 46 chromosomes, 46 sister chromatids O 23 chromosomes, 23 sister chromatids
question 1 and 2 Question 1: i) If a cell has eight chromosomes before meiosis, how...
question 1 and 2
Question 1: i) If a cell has eight chromosomes before meiosis, how many chromosomes will it have at metaphase I? ii) How many sister chromatids will it have at metaphase 1 ? iii) How many chromosomes will the cells have at metaphase II ? iv) How many sister chromatids will the cells have at metaphase II? v) How many chromosomes will the cells have after telophase II ? vi) How many cells will there be after...
D Question 72 1 pts If a diploid cell with 40 chromosomes undergoes meiosis, each daughter...
D Question 72 1 pts If a diploid cell with 40 chromosomes undergoes meiosis, each daughter nuclei will have _ chromosomes. 60 . O 10 Human diploid cells have chromosomes while human gametes have chromosomes.. 46; 92 48; 96 96; 48 O 46; 23 23; 46 Crossing-over only takes place between sister chromatids O can only occur once for each homologous chromosome pair O only takes place towards the middle of chromatids O can only occur once for each non-sister...
Question 42 2 pts In onions (Allium), cells of the sporophyte have 16 chromosomes within each...
Question 42 2 pts In onions (Allium), cells of the sporophyte have 16 chromosomes within each nucleus. Enter the number of chromosomes present in each of the following onion tissues. How many chromosomes should be in an endosperm nucleus? (enter number only) How many chromosomes should be in an embryo nucleus? (enter number only) How many chromosomes should be in a pollen tube cell nucleus? (enter number only)
Question 10 1 pts How have the chromosomes changed between early prophase I and late prophase...
Question 10 1 pts How have the chromosomes changed between early prophase I and late prophase I? Select all that apply. Crossing over has occurred. Tetrads have formed. The chromosomes are now composed of 2 sister chromatids. o The nonhomologous chromosomes have paired up. o The chromosomes have not changed. The chromosomes have separated and now have one chromatid. Question 11 1 pts What is the best description of the cell of our imaginary JUL 30
Question 8 2 pts Humans have 23 pairs of homologous chromosomes, given this information how many copies of each gene would you find in a normal human gamete? .2 --25 thousand 0 46 23
Question 1 1 pts Sex determination in mammals is due to the SRY region of the Y chromosome. An abnormality of this region could allow which of the following to have a male phenotype? O a person with an extra X chromosome Turner syndrome, 45, X O Down syndrome, 46, XX O a person with one normal and one shortened (deleted) X O translocation of SRY to an autosome of a 46, XX individual Question 2 1 pts What does...
Question 9 2 pts How many sex chromosomes are found in a human sperm cell? 02 04 1 0 0
D Question 5 2 pts If a cell with 2n-28 chromosomes under goes mitosis, how many chromosomes are present in metaphase? 28 56 7 0 0 14
How many chromosomes and chromatics would a typical human cell have after duplication but before mitosis? 0 46 chromosomes, 92 sister chromatids o 23 chromosomes, 46 sister chromatids 46 chromosomes, 46 sister chromatids O 23 chromosomes, 23 sister chromatids
question 1 and 2
Question 1: i) If a cell has eight chromosomes before meiosis, how many chromosomes will it have at metaphase I? ii) How many sister chromatids will it have at metaphase 1 ? iii) How many chromosomes will the cells have at metaphase II ? iv) How many sister chromatids will the cells have at metaphase II? v) How many chromosomes will the cells have after telophase II ? vi) How many cells will there be after...
D Question 72 1 pts If a diploid cell with 40 chromosomes undergoes meiosis, each daughter nuclei will have _ chromosomes. 60 . O 10 Human diploid cells have chromosomes while human gametes have chromosomes.. 46; 92 48; 96 96; 48 O 46; 23 23; 46 Crossing-over only takes place between sister chromatids O can only occur once for each homologous chromosome pair O only takes place towards the middle of chromatids O can only occur once for each non-sister...
Question 42 2 pts In onions (Allium), cells of the sporophyte have 16 chromosomes within each nucleus. Enter the number of chromosomes present in each of the following onion tissues. How many chromosomes should be in an endosperm nucleus? (enter number only) How many chromosomes should be in an embryo nucleus? (enter number only) How many chromosomes should be in a pollen tube cell nucleus? (enter number only)
Question 10 1 pts How have the chromosomes changed between early prophase I and late prophase I? Select all that apply. Crossing over has occurred. Tetrads have formed. The chromosomes are now composed of 2 sister chromatids. o The nonhomologous chromosomes have paired up. o The chromosomes have not changed. The chromosomes have separated and now have one chromatid. Question 11 1 pts What is the best description of the cell of our imaginary JUL 30
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