Genetics Review

Front

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

Back

one

Tags

NGSS.HS-LS3-1

Front

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

Back

homozygous

Front

Incomplete dominance means that the traits are

Back

blended

Front

One form of a gene is called _______________

Back

an allele

Front

Genotype for individual if green is dominant over purple?

Back

gg

Tags

NGSS.HS-LS3-1

Front

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this? Options: Tall = T
Short = S, Tall = T
Short = t, Tall = t
Short = T, Tall = TT
Short = tt

Back

Tall = T
Short = t

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

Which of the following genotypes is homozygous dominant? Options:

Yy

,

yY

,

yy

,

YY

Back

YY

Front

What is the genotypic ratio of the offspring? Options:

3:1

,

1:3

,

1:2:1

,

2:2

Back

1:2:1

Front

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

Options: 50 % Brown fur and 50% White fur, 25 % Brown fur and 75% White fur, 75 % Brown fur and 25% White fur, 0% Brown fur and 100% White fur

Back

75 % Brown fur and 25% White fur

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

If you cross a black guinea pig with a white guinea pig and the offspring are gray, what type of dominant trait would that be?

Back

incomplete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2