Genetics DNA

Which of the following is an example of phenotype?

• bb

• blue eyes

Which of the following genotypes are purebred?

• Pf

• Pp

• PP

• pP

An organism that has two identical (THE SAME) alleles for a trait (purebred)

• homozygous

• heterozygous

Tags

NGSS.HS-LS3-1

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S

• Tall = T
  Short = t

• Tall = t
  Short = T

• Tall = TT
  Short = tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Georgette wants to breed her pet phoenixes, but she isn't sure if the babies will burst into blue flames or red flames. Her documents show that her female phoenix is homozygous dominant for red flames, while her male phoenix is homozygous recessive for blue flames. What color flames will the babies have?

• Red

• Blue

• Purple

• 50% Red, 50% Blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Bob the abominable snowman lives in the snowy Andes mountains. He has white fur, which blends in nicely. He is therefore dismayed when his mate keeps having red-furred babies. What is Bob's likely genotype?

• Homozygous Dominant

• Heterozygous

• Homozygous Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The ____ is the physical appearance of an organism.

• genotype

• phenotype

Who are the people who played a major role in DNA and genetics?

• Gregor Mendel, Rosalind Franklin, James Watson, Francis Crick

• Gregor Mendel, Benjamin Franklin, James Watson Sherlock Holmes

Tags

NGSS.HS-LS3-2

How does DNA replicate/copy itself?

• Carefully

• Semiconservatively

• Mitosis

• Xerox

What are the four bases of DNA?

• Adenine

• Thymine

• Guanine

• Cytosine