Genetics

Look at the image.

Identify which will be the most common phenotype of the F2 generation offspring?

• Black horned goats

• Black hornless goats

• White horned goats

• White hornless goats

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the name for traits that are controlled by the X chromosome?

• carrier

• pedigree

• sex-linked traits

• phenotype

Someone who is heterzygous for a recessive disorder is called what?

• carrier

• pedigree

• sex-linked traits

• phenotype

The outward apperance of a person is their....

• carrier

• pedigree

• sex-linked traits

• phenotype

What is a diagram that will trace a trait within generantions?

• carrier

• pedigree

• sex-linked traits

• phenotype

A white sheep with horns (bbHh) and a black sheep with no horns (Bbhh) were crossed together. What percent of their offspring would have genotype BbHh?

Hint: Make a cross

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

A cell that contains two pairs of each set of chromosome is refered to as a...

• germ cell

• haploid cell

• diploid cell

• polar bodies

Tags

NGSS.HS-LS3-2

What is it called when cows can equally express brown and white coloring?

• codominance

• multiple alleles

• incomplete dominance

• genetic mutation

Humans can have several different blood types and there are three different alleles coding for these blood types. What is this called?

• incomplete dominance

• genetic mutations

• multiple alleles

• sex-linked

In pea plants the tall trait is dominant and the short trait is recessive. A heterozygous tall pea plant is crossed with another heterozygous plant. In pea plants the tall trait is dominant and the short trait is recessive. A heterozygous tall pea plant is crossed with another heterozygous plant. What percent will be homozygous dominant among their offspring?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1