DERS ** * ** ** 23 23 5 6 7 XK XX XK Xx 8X x XX KM 8 9 10 11 12 13 14 15 Xe XX KK X B* ** XK XX 89 10 it 12 13 14 15 XX XX XX XX xAx X* XX XX 器 教 *A M wXト 16 17 18 19 20 21 22 XX Figure 1 16 17 18 19 20 21 22 XXY Figure 2 1. Suppose a child was found to have the chromosome pattern shown in Figure 1 above. a. Is the child a male or female? b. Explain your answer. c. Down syndrome is caused by one extra autosome in each cell. What pair of chromosomes has an extra chromosome? d. How did this child get an extra chromosome?
DERS ** * ** ** 23 23 5 6 7 XK XX XK Xx 8X x XX KM 8 9 10 11 12 13 14 15 Xe XX KK X B* ** XK XX 89 10 it 12 13 14 15 XX XX XX XX xAx X* XX XX 器 教 *A M wXト 16 17 18 19 20 21 22 XX Figure 1 16 17 18 19 20 21 22 XXY Figure 2 1. Suppose a child was found to have the chromosome pattern shown in Figure 1 above. a. Is the child a male or female? b. Explain your answer. c. Down syndrome is caused by one extra autosome in each cell. What pair of chromosomes has an extra chromosome? d. How did this child get an extra chromosome?
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter14: Chromosomes And Human Inheritance
Section: Chapter Questions
Problem 5GP: Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With...
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Transcribed Image Text:GENETIC DISORDERS
2 3
1.
2 3
XK XK XK X* XX xX XX KX
Xe XX KK X* 3 K* K XX
8 9 10 11 12 13 14 15
8 9 10 11 12 13
14
15
?8 ת A XX
XX XX X 称 家a M
16
17
18
19
20
21
22
XX
16 17 18 19
20 21 22 XXY
Figure 2
Figure 1
1. Suppose a child was found to have the chromosome pattern shown in Figure 1 above.
a. Is the child a male or female?
b. Explain your answer.
c. Down syndrome is caused by one extra autosome in each cell. What pair of chromosomes has an
extra chromosome?
d. How did this child get an extra chromosome?
2. Suppose a child was found to have the chromosome pattern shown in Figure 2 above.
a. Is the child a male or female?
b. Explain your answer.
e. Which chromosome is the extra chromosome, an X or Y7
d. How did the child get an extra chromnseme?
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