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Unit 8 Quizizz: Genetics

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Different forms of the same gene. (R for round, r for wrinkled)

a)

DNA

b)

Chromosomes

c)

Alleles

d)

Genes

2.

Co-expression of a gene in the heterozygote (when dominant and recessive alleles are present)

a)

Sex-linked disorder

b)

Recessive

c)

Dominant

d)

Codominance

3.

When the recessive allele has no effect on the phenotype of the zygote

a)

Recessive

b)

Dominant

c)

Codominant

d)

Incomplete Dominance

4.

When the heterozygote (Bb) displays the dominant phenotype.

a)

Codominant

b)

Recessive

c)

Incomplete dominance

d)

Dominant

5.

What describes the "capital" (BIG) and "lowercase" (small) letters that represent genes?

a)

Phenotype

b)

Genotype

c)

Plants

d)

Nucleus

6.

What is the genotype of the blue bird?

a)

AA and Aa

b)

Red

c)

aa

d)

blue

7.

Organism with 2 different alleles for a trait

a)

Homozygous

b)

Heterozygous

c)

Dominant

d)

Recessive

8.

Organism with identical alleles for a trait

a)

Homozygous

b)

Heterozygous

c)

Recessive

d)

Dominant

9.

When homozygous dominant (RR) is paired with homozygous recessive (Rr), and the result (Rr) is a phenotypic intermediate of the two

a)

Dominant

b)

Codominance

c)

Complete Dominance

d)

Incomplete Dominance

10.

Pictorial family tree tracing inheritance of traits/diseases through generations.

a)

Genotype

b)

Phenotype

c)

Pedigree

d)

Allele

11.

Observable traits passed from parent to offspring

a)

Genotype

b)

Phenotype

12.

Genetic trait shown only in the absence of a dominant allele

a)

Recessive

b)

Incomplete Dominance

c)

Codominance

d)

Dominant

13.

syndrome caused by a defective or altered gene of the X or Y chromosomes

a)

Sex-linked disorders

b)

Recessive

c)

Dominance

d)

Phenotype

14.

Prefix meaning "mixed", like "mixed fuel/energy source for cars" or "mixed genetics"

a)

Hydro

b)

Hybrid

c)

Mono

d)

Pheno

15.

Prefix meaning "to show"

a)

Geno-

b)

Co-

c)

Pheno-

d)

Hetero-