Unit2 – Key area 4d - Inheritance- Copy what is in bold and follow instructions
Inheritance
Read the book p101-onwards to help you fill in a glossary table (see below) except for the last 2 entries.
Make sure that you understand and memorize this information for the lesson.
Word
Gene
Meaning
Variant form of a gene
External expression of the genotype
Set of alleles possessed by an organism, shown as 2 letters
Dominant
Recessive
Homozygous
Heterozygous
P1
F1
F2
Leave blank
Leave blank
Used to described an organism which progeny has identical phenotype to the
parents when crossed over at least 3 generations (e.g. in flies, peas) i.e. the parents
have to be homozygous for this gene.
Mating between individuals homozygous for different alleles of the same gene. The
results enable you to find which allele is dominant.
Unit2 – Key area 4d - Inheritance- Copy what is in bold and follow instructions
Inheritance
Read the book p101-onwards to help you fill in a glossary table (see below) except for the last 2 entries.
Make sure that you understand and memorize this information for the lesson.
Word
Gene
Meaning
Variant form of a gene
External expression of the genotype
Set of alleles possessed by an organism, shown as 2 letters
Dominant
Recessive
Homozygous
Heterozygous
P1
F1
F2
Leave blank
Leave blank
Used to described an organism which progeny has identical phenotype to the
parents when crossed over at least 3 generations (e.g. in flies, peas) i.e. the parents
have to be homozygous for this gene.
Mating between individuals homozygous for different alleles of the same gene. The
results enable you to find which allele is dominant.
Unit2 – Key area 4d - Inheritance- Copy what is in bold and follow instructions
Inheritance
Read the book p101-onwards to help you fill in a glossary table (see below) except for the last 2 entries.
Make sure that you understand and memorize this information for the lesson.
Word
Gene
Meaning
Variant form of a gene
External expression of the genotype
Set of alleles possessed by an organism, shown as 2 letters
Dominant
Recessive
Homozygous
Heterozygous
P1
F1
F2
Leave blank
Leave blank
Used to described an organism which progeny has identical phenotype to the
parents when crossed over at least 3 generations (e.g. in flies, peas) i.e. the parents
have to be homozygous for this gene.
Mating between individuals homozygous for different alleles of the same gene. The
results enable you to find which allele is dominant.
Unit2 – Key area 4d - Inheritance- Copy what is in bold and follow instructions
Inheritance
Read the book p101-onwards to help you fill in a glossary table (see below) except for the last 2 entries.
Make sure that you understand and memorize this information for the lesson.
Word
Gene
Meaning
Variant form of a gene
External expression of the genotype
Set of alleles possessed by an organism, shown as 2 letters
Dominant
Recessive
Homozygous
Heterozygous
P1
F1
F2
Leave blank
Leave blank
Used to described an organism which progeny has identical phenotype to the
parents when crossed over at least 3 generations (e.g. in flies, peas) i.e. the parents
have to be homozygous for this gene.
Mating between individuals homozygous for different alleles of the same gene. The
results enable you to find which allele is dominant.