Genetics Quiz

What are genes responsible for in an organism?

• Determining the organism's lifespan

• Describing the factors that control a trait

• Influencing the organism's intelligence

• Regulating the organism's growth rate

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How are traits described in terms of genes?

• By a single gene from the mother

• By a single gene from the father

• By a pair of genes: one from the mother and one from the father

• By multiple genes from both parents

Tags

NGSS.HS-LS3-1

What are alleles?

• Different species of a gene

• Different forms of the same gene

• Different traits in an organism

• Different chromosomes in a cell

Tags

NGSS.HS-LS3-2

How is a dominant allele usually represented?

• As a lowercase letter

• As a number

• As a capital letter

• As a symbol

What must occur for a recessive allele to show in the offspring's trait?

• It must be received from one parent only

• It must be received from both parents

• It must mutate after being received

• It must be the only allele present

Tags

NGSS.HS-LS3-1

What is the genetic makeup or combination of alleles in an organism known as?

• Phenotype

• Chromosome

• Genotype

• Homologous chromosome

What are the two types of genotypes mentioned in the text?

• Dominant and Recessive

• Purebred and Hybrid

• Homozygous and Heterozygous

• Allele and Gene

What term is used to describe an organism's physical characteristics or traits?

• Genotype

• Chromosome

• Gene

• Phenotype

How many chromosomes does a typical human cell have?

• 23 chromosomes

• 46 chromosomes

• 92 chromosomes

• 44 chromosomes

What is the exception to the typical number of chromosomes in human cells?

• Brain cells

• Muscle cells

• Sex cells

• Skin cells