he following information to answer the next question cell cycle, cells in growing tissue normally progress through ge 1-cells grow, carry out normal metabolism, and produce more organelles ge 2-DNA replication, chromosome duplication, and cell growth occur ge 3-cell growth occurs were cultured for a day in a nutrient-rich medium. The DNA content of a typical determined every hour, and the data collected were graphed. DNA Content of the Nucleus Over Time L M A 15 9 DNA in nuckus (units) 12 M 4 12 Time ( atid separation 16 ess that occurs during interval K-L is e: 20 tion of genetic material sis of homologous chromosomes 24 O O

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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a.
Use the following information to answer the next
question
During the cell cycle, cells in growing tissue normally progress through
interphase:
C.
• stage 1-cells grow, carry out normal metabolism, and produce more organelles
• stage 2-DNA replication, chromosome duplication, and cell growth occur
• stage 3-cell growth occurs
and mitosis.
Human cells were cultured for a day in a nutrient-rich medium. The DNA content of a typical
nucleus was determined every hour, and the data collected were graphed.
DNA Content of the Nucleus Over Time
L
M
15-
12
chromatid separation
8
The process that occurs during interval K-L is
Select one:
12
Time (
d. cytokinesis
16
b. synapsis of homologous chromosomes
replication of genetic material
20
24
O
O
O
Transcribed Image Text:a. Use the following information to answer the next question During the cell cycle, cells in growing tissue normally progress through interphase: C. • stage 1-cells grow, carry out normal metabolism, and produce more organelles • stage 2-DNA replication, chromosome duplication, and cell growth occur • stage 3-cell growth occurs and mitosis. Human cells were cultured for a day in a nutrient-rich medium. The DNA content of a typical nucleus was determined every hour, and the data collected were graphed. DNA Content of the Nucleus Over Time L M 15- 12 chromatid separation 8 The process that occurs during interval K-L is Select one: 12 Time ( d. cytokinesis 16 b. synapsis of homologous chromosomes replication of genetic material 20 24 O O O
a.
b.
C.
Use the following information to answer the next
question
d.
Green-blue-brown eye colour
The biochemistry of eye colour is not completely understood. Part of an explanation for eye
colour may be the interaction of the products of three different alleles. The green allele is
dominant to blue. The brown allele is also dominant to blue. The green is expressed only in
the absence of a brown allele.
Red-green colour blindness
Red-green colour blindness results from a mutation of an X-linked gene. A mutation in the
gene causes red-green colour blindness (Xb), the inability to distinguish between red and
green. The X allele is recessive.
Generation
I
II
III
Legend: B
brown eye colour allele
b-blue eye colour allele
G green eye colour allele
Xcb colour-blindness allele
X normal vision allele
If individual 1 has blue eyes, genotypes of her parents
could be
Select one:
A Pedigree Indicating Colour Blindness in a Family
Mother Father
mother XXcbGb, father XcbYBB
mother XXcbGb, father XYBb
mother XXbb, father XcbYGB
mother XXcbGG, father XYbb
Transcribed Image Text:a. b. C. Use the following information to answer the next question d. Green-blue-brown eye colour The biochemistry of eye colour is not completely understood. Part of an explanation for eye colour may be the interaction of the products of three different alleles. The green allele is dominant to blue. The brown allele is also dominant to blue. The green is expressed only in the absence of a brown allele. Red-green colour blindness Red-green colour blindness results from a mutation of an X-linked gene. A mutation in the gene causes red-green colour blindness (Xb), the inability to distinguish between red and green. The X allele is recessive. Generation I II III Legend: B brown eye colour allele b-blue eye colour allele G green eye colour allele Xcb colour-blindness allele X normal vision allele If individual 1 has blue eyes, genotypes of her parents could be Select one: A Pedigree Indicating Colour Blindness in a Family Mother Father mother XXcbGb, father XcbYBB mother XXcbGb, father XYBb mother XXbb, father XcbYGB mother XXcbGG, father XYbb
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