Genetics EOC review

The parents (Ff and Ff) shown in the Punnett square could have children with a phenotype ratio of

• 3:1

• 1:2:1

• 4:0

• 2:2

Which box in the Punnett square represents a child who does not have freckles?

• box 2

• box 4

• box 3

• box 1

A gardener wants to cross two of his prize winning rose bushes to create as many large, white roses as possible. In roses, large blooms (L) are dominant over small blooms (l) and red (R) is dominant over white (r). Which of the following parental genotypes will yield the gardener the largest number of large, white roses?

• LlRr and LlRr

• Llrr and Llrr

• LLRR and llrr

• LLRR and LlRr

How many different allele combinations would be found in the gametes produced by a pea plant whose genotype was RrYY?

• 4

• 2

• 8

• 16

What trait will most likely be observed in all offspring of the above set of parents?

GGLl (male) x Ggll (female)

• Yellow feathers

• Green feathers

• Long beaks

• Short beaks

Law that describes how alleles of gametes are able to recombine with alleles of other gametes without the influence of any outcome. The inheritance of one trait does not depend on the inheritance of another.

• Law of Segregation

• Rule of Mendel

• Law of Independent Assortment

• Rule of Dominance

According to Figure 10-5, the constricted pod shape is _____.

• segregated

• dominant

• recessive

• hybrid

If a plant that is homozygous tall and wrinkled is crossed with a short, wrinkled plant, which percentage of genotypes would most likely be found in the first-generation offspring?

• 50% TTSS, 50% ttSS

• 50%TtSS, 50%ttSS

• 100%Ttss

• 100% TtSs

Refer to the illustration . The genotype represented by the cell labeled “2” is

• RrYy

• RRYY

• rrYy

• RrYY

The phenotype represented by the cell labeled “1” is

• wrinkled, green

• wrinkled, yellow

• round, green

• round, yellow