Monohybrid crosses

The physical expression of a genetic trait is called a

• mutation

• genotype

• crossing over

• phenotype

Tags

NGSS.HS-LS3-1

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

• homozygous
• hetrozygous
• protein
• chromosome

Tags

NGSS.HS-LS3-1

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 would be considered heterozygous?

• BB
• gg
• Ff
• TT

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

• heredity

• trait

• gene

• allele

Tags

NGSS.MS-LS3-2

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

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

A characteristic that an organism can pass on to its offspring through its genes

• protein
• trait
• DNA
• gene

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.MS-LS3-2

Who is the father of genetics? 

• Charles Darwin 
• Gregor Mendel
• Dimitri Mendeleev 
• Hans Krebs 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Purple is dominant to white. A heterozygous purple flower is crossed with a white flower. What are the genotypes and phenotypes of the offspring?

• 100% Pp (purple)
• 50% Pp (purple); 50% pp (white)
• 75% Pp (purple); 25% pp (white)
• 25% PP, 50% Pp, 25% pp
  75% purple, 25% white

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3