B6 AQA Inheritance, Variation and Evolution

True or False? The alleles for cystic fibrosis and polydactyly are both dominant.

• true
• false

If a farmer wants to increase the meat yield of his cows, he would breed together

• The biggest cows
• Those that produced the most milk
• Those with a gentle temperament

What is an organisms genotype?

• The characteristics that the organism has
• The alleles that the organism has
• All of the genetic material of that organism

How often do mutations result in a new phenotype?

• Always
• Sometimes
• Never

What do evolutionary trees show?

• Evolutionary relationships
• Parental relationships
• Genetic disorders
• Phenotype relationships

What is a problem that could result from patients not finishing a course of antibiotics?

• Antibiotic resistance increases in bacteria
• Antibiotic resistance increases in viruses
• Immunity to disease increases in Humans

How many cell divisions occur during meiosis?

• 1
• 2
• 3
• 4
• 5

What is the correct order of classification groups?

• Kingdom -> Genus -> Class -> Order -> Family -> Phylum -> Species
• Family -> Phylum -> Species -> Order -> Kingdom -> Genus -> Class
• Kingdom -> Phylum -> Class -> Order -> Family -> Genus -> Species

A tall pea plant with two dominant "T" alleles and a dwarf pea plant with two recessive "t" alleles produce a pea plant with the genotype Tt. What will the new plants phenotype be?

• Tall
• Yellow
• Dwarf
• Green

In figure 1, which species is A most closely related to?

• B

• C

• D

• E

• F