NBC 2 & 3 Genetics Vocabulary

Genetics is the study of

(a)  

The passing of genetic information from parent to offspring is known as

• Genetics

• Genotype

• Heredity

• Mitosis

Briefly explain the difference between genotype and phenotype.

Which genotypes are heterozygous?

• EE

• tt

• Rr

• Both EE and tt

Which genotypes are homozygous?

• EE

• tt

• Rr

• Both EE and tt

The ____ is the physical appearance of an organism.

• genotype

• phenotype

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

having two of the same alleles for a particular trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

having two different alleles for a particular trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

Sex cells (gametes) are produced through the process of

• mitosis
• cytokinesis
• binary fission
• meiosis