Introduction to Genetics Practice

Which of the choices is heterozygous?

• BB

• Bb

• bb

Which of the choices is homozygous recessive?

• BB

• Bb

• bb

Which of the choices is homozygous dominant?

• BB

• Bb

• bb

Which of the choices is recessive?

• BB

• Bb

• bb

What term describes what you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

 Dominant alleles are-

• capital
• lowercase
• both
• neither

 Recessive alleles are-

• capital
• lowercase
• both
• neither

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

How many chromosomes are in a normal human body cell?

• 23
• 46
• 92

How many chromosomes are in a human egg cell and passed down from a mother to her child?

• 23
• 46
• 92

Tags

NGSS.HS-LS3-1