Mendel's Pea Plants and Genetics

Which of the following is homozygous dominant?

• RR

• Rr

• rr

Which of the following is homozygous recessive?

• QQ

• Qq

• qq

What term below means the "physical expression of a gene"?

• genotype

• phenotype

• appearance

• homologous

Which term below means "the combination of alleles an organism has"?

• genotpye

• phenotype

• heterozygous

• homozygous

Which term refers to the allele that shows up in the physical appearance of an organism with a heterozygous genotpye?

• invasive

• recessive

• dominant

• passive

Which of the following would produce a recessive phenotype?

• hh

• Rr

• Ww

• BB

Which of the these is homozygous?

• gg

• Yy

• Nn

• Ee

What is an allele?

• a chemical found in DNA

• a certain form of a gene that can be recessive or dominant

• a physical trait

• a pair of chromosomes

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

How many alleles does an organism carry for a trait?

• 1

• 2

• 3

• 4

How many alleles does an organism get from each parent for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1