Year 8 Genetics

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase

The physical appearance or the way a gene looks is known as it's....

• genotype
• allele
• gene
• phenotype

The mathematical chance that something will happen is known as...

• chance
• luck
• probability

The different forms of genes are known as

• environment
• probability
• traits
• alleles

An allele or gene that always shows is

• recessive
• dominant
• hidden
• present

Two of the same genes for a trait (sometimes called purebred). BB or bb

• homozygous
• hetrozygous
• protein
• chromosome

Two different genes for a trait (sometimes called hybrid). Bb

• protein
• homozygous
• heterozygous
• genotype

G = dominant green and y = recessive yellow
A fish has a Gy genotype, what will its phenotype be?

• yellow
• green
• greenish-yellow
• red

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey
• water to rain
• parents to offspring
• fungi to protists