2. The N number of cows is 30, (a) What is the number of chromosomes in its epithelial cells? (b) In a spermatogonium? (c) In a mature ovum? (d) in a hair strand? The DNA content of cows is 6.4 picograms in the diploid G1 nucleus, (e) what would be the expected DNA content during metaphase?
2. The N number of cows is 30, (a) What is the number of chromosomes in its epithelial cells? (b) In a spermatogonium? (c) In a mature ovum? (d) in a hair strand? The DNA content of cows is 6.4 picograms in the diploid G1 nucleus, (e) what would be the expected DNA content during metaphase?
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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Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
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Transcribed Image Text:2. The N number of cows is 30,
(a) What is the number of chromosomes in its epithelial cells?
(b) In a spermatogonium?
(c) In a mature ovum?
(d) in a hair strand?
The DNA content of cows is 6.4 picograms in the diploid G1 nucleus, (e) what would be the
expected DNA content during metaphase?
Transcribed Image Text:1. The somatic cells of cabbage contain 14 chromosomes. How many are present in each cell
at the stage of mitosis or meiosis indicated? (Assume cytokenesis to occur at mid-
telophase).
(a) chromatids at Anaphase-l
(b) chromatids at Anaphase
(c) chromosomes at Metaphase-l
(d) chromosomes at the close of Telophase-I
(e) chromosomes at Telophase II.
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