Match the following:

• Union of egg and sperm cells

• Somatic Cells

• Different versions of the same gene

• Locus

• Alternative forms of a gene

• Gametes

• Cells that are not involved in reproduction

• Fertilisation

• Specific position on a chromosome

• Alleles

A _________________ prevents the recessive allele from being expressed (working)

A ______________________ is not expressed in the presence of a dominant allele.

(a)   is the genetic makeup or allele combinations of an organism. Usually represented by upper case or lower case letters. ​ (b)   is the appearance or visible traits of an organism.

• Genotype expression
• Genetic code
• DNA sequence
• Phenotype expression
• physical characteristics

​ (a)   follows the (b)   where the dominant allele is expressed over the recessive allele. Other types of Non-Mendelian inheritance include ​ (c)   where both alleles are equally expressed in the heterozygous genotype. This creates an intermediate phenotype or a ​ (d)   of genetic traits. ​ (e)   occurs when two alleles are expressed fully in a heterozygote. The resulting phenotype is a combination of the parents. A common example is the AB blood type.

• Laws of Mendel (Mendelian Genetics)
• Complete inheritance
• Incomplete dominance
• blending
• Co-dominance

Define Gene

Match the following

• F1 generation for a single trait

• Homozygous

• A diagram used to show genetic crosses

• Monohybrid cross

• Two alleles that are the same

• Dihybrid cross

• F1 generation for multiple traits

• Punnett Square

• Two alleles that are different

• Heterozygous

Chromosomes that do not determine sex

• Autosome

• Sex Chromosome

• Sex Linkage

• Linkage

Define "Carrier"

A cell that contains two complete sets of chromosomes, one from each parent is called ​ (a)   while a cell that has one complete set of chromosomes is referred to as ​ (b)   The chromosomes present in a cell can be displayed by size and shape in a diagram referred to as a ​ (c)   Sometime three copies of a chromosome is present which is referred to as ​ (d)  

• diploid
• haploid
• karyotype
• trisomy
• tetraploid
• pedigree
• chromatid