DNA & Genetics

Who was the father of genetics

• Sagan

• Issac Newton

• Gregor Mendel

• C. Jenkins

Which is heterozygous ?

• Tt

• TT

Which is homozygous ?

• Zz
• SS

The genetic makeup of an organism is its...

• heterozygous

• punnet square

• genotype

What tool can be used to predict an offspring's genotype?

• genetic engineering

• punnet square

• probability

Tags

NGSS.HS-LS3-3

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

Tags

NGSS.HS-LS3-1

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What type of allele only shows up when there are no dominant alleles present?

• hidden allele

• dominant allele

• recessive allele

• present allele

Which answer best describes codominant alleles?

• Both are equally dominant
• Both are equally recessive
• Neither are dominant or recessive