Basic Genetics (Monohybrid Crosses)

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Tags

NGSS.HS-LS3-1

What is a phenotype

• The genetic make up (code)
• The physical trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• protein
• homozygous
• heterozygous
• genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Which of the following genotypes is a purebred?

• Bb
• Gg
• bb
• Dd

Tags

NGSS.HS-LS3-2

Which of the following genotypes would be considered heterozygous?

• BB
• gg
• Ff
• TT

Tags

NGSS.HS-LS3-1

Which of the following alleles is homozygous recessive?

• Tt
• tt
• TT
• T

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

• heredity

• trait

• gene

• allele

Tags

NGSS.HS-LS3-1

An allele whose trait always shows up in the organism when the allele is present.

• recessive allele
• dominant allele
• hidden allele
• present allele