NCEA Level 1 Genetics - Practicing Alleles Basics (Vocab)

How would you describe the following pair of alleles/genotype?

BB

• homozygous dominant

• homozygous recessive

• heterozygous

How would you describe the following pair of alleles/genotype?

Aa

• homozygous dominant

• homozygous recessive

• heterozygous

How would you describe the following pair of alleles/genotype?

ff

• homozygous dominant

• homozygous recessive

• heterozygous

What is meant by the term homozygous?

• The pair of alleles in a genotype are both dominant or both recessive

• The pair of alleles in a genotype are both dominant

• The pair of alleles in a genotype are both recessive

• The pair of alleles in a genotype are different

What is meant by the term heterozygous?

• The pair of alleles in a genotype are both dominant or both recessive

• The pair of alleles in a genotype are both dominant

• The pair of alleles in a genotype are both recessive

• The pair of alleles in a genotype are different

What is an allele?

• A version of a gene

• A section of DNA that codes for a trait

• The physical expression of a trait

• A large complex molecules that holds genetic information

What is a gene?

• A version of a gene

• A section of DNA that codes for a trait

• The physical expression of a trait

• A large complex molecules that holds genetic information

Tags

NGSS.HS-LS3-1

What is a phenotype?

• A version of a gene

• A section of DNA that codes for a trait

• The physical expression of a trait

• A pair of alleles that code for a trait

What is a genotype?

• A version of a gene

• A section of DNA that codes for a trait

• The physical expression of a trait

• A pair of alleles that code for a trait

Tags

NGSS.HS-LS3-1

How would you describe the following pair of alleles/genotype?

DD

• homozygous dominant

• homozygous recessive

• heterozygous