1.Nullisomy -loss of a chromosome pair example;(2n-2).
2.Monosomy –loss of a single chromosome example;(2n-1).
3.Trisomy –one extra chromosome example;(2n+1)
4.Tetrasomy –One extra pair of chromosome example;(2n+2).
jim items answered the question on November 5, 2018 at 18:50
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What is the difference between glycosuria and hyperglycemia?
(Solved)
What is the difference between glycosuria and hyperglycemia?
Date posted:
October 31, 2018
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Answers (1)
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Describe the events that take place from the time when a mature pollen grain lands on stigma until formation of fruits and seeds
(Solved)
Describe the events that take place from the time when a mature pollen grain lands on stigma until formation of fruits and seeds.
Date posted:
October 30, 2018
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Answers (1)
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Define the following in relation to reception, response and coordination in plants and animals (a) Irritability (b) response (c) Stimulus
(Solved)
Define the following in relation to reception, response and coordination in plants and animals
(a) Irritability
(b) Response
(c) Stimulus
Date posted:
October 28, 2018
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Answers (1)
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State two reasons why accumulation of lactic acid acid [in animal cells, produced from pyruvic acid through anaerobic respiration, in “power” exercises e.g. sprinting]...
(Solved)
State two reasons why accumulation of lactic acid acid [in animal cells, produced from pyruvic acid through anaerobic respiration, in “power” exercises e.g. sprinting] leads to an increase in the rate of the heart beat.
Date posted:
October 27, 2018
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Answers (1)
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State and explain four chromosome structure and variation.
(Solved)
State and explain four chromosome structure and variation.
Date posted:
October 24, 2018
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Answers (1)
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(Solved)
Discuss the double helix structure of DNA.
Date posted:
October 23, 2018
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Answers (1)
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(Solved)
State and explain characteristics of genetics material.
Date posted:
October 23, 2018
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Answers (1)
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Define gene regulation and state five reasons why gene activity is regulated in a cell
(Solved)
Define gene regulation and state five reasons why gene activity is regulated in a cell.
Date posted:
October 21, 2018
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Answers (1)
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(Solved)
What are the functions of centrosomes?
Date posted:
October 21, 2018
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Answers (1)
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(Solved)
Name three destinations of spindle fibres in the cell
Date posted:
October 21, 2018
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Answers (1)
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(Solved)
What are the limitations of dry mass measurement in assessing growth?
Date posted:
October 21, 2018
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Answers (1)
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Why is change in dry mass measurement of an organism the best indicator of growth?
(Solved)
Why is change in dry mass measurement of an organism the best indicator of growth?
Date posted:
October 21, 2018
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Answers (1)
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Outline characteristics of invasive plants such as water hyacinth commonly found in Kenya.
(Solved)
Outline characteristics of invasive plants such as water hyacinth commonly found in Kenya.
Date posted:
October 18, 2018
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Answers (1)
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(Solved)
Name the blood vessel that supplies blood to kidneys
Date posted:
October 15, 2018
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Answers (1)
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(Solved)
Name the blood vessel that supply the blood to Heart muscles.
Date posted:
October 15, 2018
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Answers (1)
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Name the branch of biology that deals with study of: (a) Insects. (b) Micro-organisms
(Solved)
Name the branch of biology that deals with study of: (a) Insects. (b) Micro-organisms
Date posted:
October 15, 2018
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Answers (1)
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Explain why short distance runners breathe quickly and deeply at the end of a race
(Solved)
Explain why short distance runners breathe quickly and deeply at the end of a race.
Date posted:
October 13, 2018
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Answers (1)
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State the importance of the replications of deoxyribonucleic acid in meiosis
(Solved)
State the importance of the replications of deoxyribonucleic acid in meiosis.
Date posted:
October 11, 2018
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Answers (1)
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(Solved)
Draw a labeled diagram of mammalian nephron.
Date posted:
October 10, 2018
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Answers (1)
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(Solved)
Draw and label a mammalian skin.
Date posted:
October 10, 2018
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Answers (1)