Preparation Assignment- Chapter 10 11. The discovery of chromosome banding in eukaryotes has greatly improved our ability to distinguish various cytogenetic events. Particularly useful are "banding" polymorphisms because the "morphs" can be used as chromosome markers. (These morphs are forms of chromosome that are cytologically distinguishable by virtue of minor variations in band size, position, etc). Let's consider chromosome 21 in humans. Assume that one set of parents are: 21ª21 (female) x 21°21d (male), where a, b, c and d represent "morphs" of a polymorphism for this chromosome. In each case: State the genetic term for the condition (if possible), diagram the event(s) that gave rise to the condition, and state in which individual the event(s) took place. d. 42A + 21ª21c21c + XX Interphase [show condensed]: Diagram meiosis for chromosome 21 in Mom (left) and Dad (right) After DNA replication: After Meiosis I: Gametes: 0000 Interphase [show condensed]: After DNA replication: After Meiosis I: Gametes: dad MI O C 21ª21c21c
Preparation Assignment- Chapter 10 11. The discovery of chromosome banding in eukaryotes has greatly improved our ability to distinguish various cytogenetic events. Particularly useful are "banding" polymorphisms because the "morphs" can be used as chromosome markers. (These morphs are forms of chromosome that are cytologically distinguishable by virtue of minor variations in band size, position, etc). Let's consider chromosome 21 in humans. Assume that one set of parents are: 21ª21 (female) x 21°21d (male), where a, b, c and d represent "morphs" of a polymorphism for this chromosome. In each case: State the genetic term for the condition (if possible), diagram the event(s) that gave rise to the condition, and state in which individual the event(s) took place. d. 42A + 21ª21c21c + XX Interphase [show condensed]: Diagram meiosis for chromosome 21 in Mom (left) and Dad (right) After DNA replication: After Meiosis I: Gametes: 0000 Interphase [show condensed]: After DNA replication: After Meiosis I: Gametes: dad MI O C 21ª21c21c
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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![Preparation Assignment- Chapter 10
11. The discovery of chromosome banding in eukaryotes has greatly improved our ability to distinguish
various cytogenetic events. Particularly useful are "banding" polymorphisms because the "morphs"
can be used as chromosome markers. (These morphs are forms of chromosome that are
cytologically distinguishable by virtue of minor variations in band size, position, etc). Let's consider
chromosome 21 in humans. Assume that one set of parents are: 21ª21 (female) x 21°21ª (male),
where a, b, c and d represent "morphs" of a polymorphism for this chromosome.
In each case: State the genetic term for the condition (if possible), diagram the event(s) that gave
rise to the condition, and state in which individual the event(s) took place.
d. 42
21ª 1º + XX
Interphase [show condensed]:
Diagram
meiosis for
chromosome 21
in Mom (left)
and Dad (right)
After DNA replication:
After Meiosis I:
Interphase [show condensed]:
Gametes:
After DNA replication:
After Meiosis I:
·0000 oooo
Gametes:
dad MI
21ª21c21c](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fabc97ca2-5307-4b01-b84c-b32d2ca85d88%2Feba5bb47-c9df-4bfb-91e5-993af86f7c20%2F0sdycz8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Preparation Assignment- Chapter 10
11. The discovery of chromosome banding in eukaryotes has greatly improved our ability to distinguish
various cytogenetic events. Particularly useful are "banding" polymorphisms because the "morphs"
can be used as chromosome markers. (These morphs are forms of chromosome that are
cytologically distinguishable by virtue of minor variations in band size, position, etc). Let's consider
chromosome 21 in humans. Assume that one set of parents are: 21ª21 (female) x 21°21ª (male),
where a, b, c and d represent "morphs" of a polymorphism for this chromosome.
In each case: State the genetic term for the condition (if possible), diagram the event(s) that gave
rise to the condition, and state in which individual the event(s) took place.
d. 42
21ª 1º + XX
Interphase [show condensed]:
Diagram
meiosis for
chromosome 21
in Mom (left)
and Dad (right)
After DNA replication:
After Meiosis I:
Interphase [show condensed]:
Gametes:
After DNA replication:
After Meiosis I:
·0000 oooo
Gametes:
dad MI
21ª21c21c
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