Random genetics Q

• Biology
• Further Education (Key Stage 5)

Genetics

Terminology Quiz

One of the alternative forms of a gene that may occur at a given locus

1. Autosome
2. Allele
3. Chromosome
4. Diploid

Any chromosome that is not a sex chromosome

1. Dominant
2. Recessive
3. Autosome
4. Homologous

Having only a single set of chromosomes as is present in gametes

1. Diploid
2. Homologous
3. Zygote
4. Haploid

An allele that must be present on both of the chromosomes in the homologous pair to be expressed

1. Recessive
2. Dominant
3. homozygous
4. heterozygous

The two alleles for flower colour in snap dragons plants exhibit:

1. codominance
2. dominance
3. incomplete dominance
4. non-dominance

How many possible phenotypes are associated with ABO blood group

1. 1
2. 2
3. 3
4. 4

How many different genotypes are there that can determine ABO blood group

1. 3
2. 5
3. 6
4. 4

Cystic fibrosis is an autosomal recessive genetic disorder. An individual with the condition must be:

1. homozygous recessive
2. heterozygous
3. homozygous dominant
4. heterozygous dominant

Huntington's disease is an autosomal dominant genetic disorder. An unaffected individual must be:

1. heterozygous
2. homozygous dominant
3. homozygous recessive