Genetics basics

Genetics basics

7th - 12th Grade

16 Qs

quiz-placeholder

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Genetics basics

Genetics basics

Assessment

Quiz

Biology

7th - 12th Grade

Medium

Created by

Grace Brannen

Used 7+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tt is-

homozygous dominant
homozygous recessive
heterozygous
none of these

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The observable traits of an organism are known as its

allele
dominance
phenotype
genotype

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Each parent contributes one of the genes for a particular trait. The genes of the pair are called:

variables
gametes
hybrids
alleles

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chromosomes that carry genes that code for the same products, such as hemoglobin or eye pigment, are said to be:

homologous
heterozygous
heterogeneous
homozygous

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes a GENOTYPE?

The allele/genetic makeup of an organism.
The physical expression of a trait.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dominant alleles are represented by a(n)

phenotype
lower case letter
upper case letter
punnett square 

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?

RR
Rr
rr

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