Get premium membership and access questions with answers, video lessons as well as revision papers.
a) Acquired characteristics
They are as a result of adaptations due to the environment and are not inherited.
b) Inherited characteristics
They are passed down to offspring during sexual reproduction.
c) Genotype
Genetic constitution of an individual/genetic makeup.
d) Phenotype
Characteristics of an individual observed or discernible by other means i.e. observable character.
e) Dominant gene (character)
Expressed in the phenotype when homozygous or heterozygous.
f) Recessive gene
Only expressed in homozygous state.
g) Homozygous
Is when two alleles are identical e.g. LL,ll
h) Heterozygous
Is when two alleles are different at a particular locus e.g. Ll
i) F1 and F2
Fl means first filial generation i.e. the first generation produced when two varieties can be crossed.
F2 means second generation i.e. product of offspring or from F1 generation.
Anganifelix answered the question on April 17, 2018 at 10:46
- Name the types of variation(Solved)
Name the types of variation.
Date posted: April 17, 2018. Answers (1)
- State the causes of variation in organisms(Solved)
State the causes of variation in organisms.
Date posted: April 17, 2018. Answers (1)
- Describe mechanism of ventilation in a bony fish(Solved)
Describe mechanism of ventilation in a bony fish
Date posted: April 16, 2018. Answers (1)
- Explain the meaning of the following terms. (a) Heredity (b) Trait (c) Gene (d) Allele (e) Chromosomes (f) DNA(Solved)
Explain the meaning of the following terms. (a) Heredity (b) Trait (c) Gene (d) Allele (e) Chromosomes (f) DNA
Date posted: April 15, 2018. Answers (1)
- What is blood transfusion?(Solved)
What is blood transfusion?
Date posted: April 15, 2018. Answers (1)
- Differentiate a universal donor from a universal recipient (Solved)
Differentiate a universal donor from a universal recipient
Date posted: April 15, 2018. Answers (1)
- State the structural differences between a red blood cell and a white blood cell(Solved)
State the structural differences between a red blood cell and a white blood cell
Date posted: April 15, 2018. Answers (1)
- Name the compounds that are translocated in phloem(Solved)
Name the compounds that are translocated in phloem
Date posted: April 15, 2018. Answers (1)
- Which tissue is responsible for translocation of manufactured food in flowering plants?(Solved)
Which tissue is responsible for translocation of manufactured food in flowering plants?
Date posted: April 15, 2018. Answers (1)
- What is translocation?(Solved)
What is translocation?
Date posted: April 15, 2018. Answers (1)
- Explain how Xerophytes are adapted to deal with problems of transpiration(Solved)
Explain how Xerophytes are adapted to deal with problems of transpiration
Date posted: April 15, 2018. Answers (1)
- Explain why the drooping of leaves on a hot sunny day is advantageous to a plant(Solved)
Explain why the drooping of leaves on a hot sunny day is advantageous to a plant.
Date posted: April 15, 2018. Answers (1)
- State the factors that cause increased rate of transpiration from leaves(Solved)
State the factors that cause increased rate of transpiration from leaves
Date posted: April 15, 2018. Answers (1)
- State the factors that reduce the rate of transpiration from leaves(Solved)
The factors that reduce the rate of transpiration from leaves
Date posted: April 15, 2018. Answers (1)
- What is the significance of water to flowering plants?(Solved)
What is the significance of water to flowering plants?
Date posted: April 14, 2018. Answers (1)
- What are the physical observations on the skin when one baths with cold water?(Solved)
What are the physical observations on the skin when one baths with cold water?
Date posted: April 14, 2018. Answers (1)
- What are the effects of food shortage on a population?(Solved)
What are the effects of food shortage on a population?
Date posted: April 14, 2018. Answers (1)
- List two biotic and abiotic factors each that affect population growth.(Solved)
List two biotic and abiotic factors each that affect population growth.
Date posted: April 14, 2018. Answers (1)
- People in the tropics tend to be thin and tall compared to those in the Arctic regions who tend to be short and plump.Account for...(Solved)
People in the tropics tend to be thin and tall compared to those in the Arctic regions who tend to be short and plump.Account for these observations in relation to body temperature regulation
Date posted: April 14, 2018. Answers (1)
- Describe two methods each for (i)improving crop yield (ii)Preserving and storing food.Explain the Principle involved in each of the methods described (Solved)
Describe two methods each for
(i)improving crop yield
(ii)Preserving and storing food.Explain the
Principle involved in each of the methods described
Date posted: April 13, 2018. Answers (1)