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Exploring Mendelian Genetics Concepts

Exploring Mendelian Genetics Concepts

Assessment

Interactive Video

Science

6th - 8th Grade

Practice Problem

Hard

NGSS
HS-LS3-1, HS-LS4-4, HS-LS3-2

Standards-aligned

Created by

Mia Campbell

FREE Resource

Standards-aligned

NGSS.HS-LS3-1
,
NGSS.HS-LS4-4
,
NGSS.HS-LS3-2
The video tutorial covers the basics of heredity and genetics, focusing on traits, alleles, and their variations. It explains the concepts of dominant and recessive alleles, and the differences between heterozygous and homozygous alleles. The tutorial also delves into genotype and phenotype, illustrating how genetic combinations affect physical traits. Finally, it introduces Punnett squares as a tool for predicting the genetic outcomes of offspring, providing examples and practice exercises.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a trait in genetics?

A DNA mutation

A type of chromosome

A type of gene

A physical characteristic influenced by DNA

Tags

NGSS.HS-LS3-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean if an allele is dominant?

It is always expressed in the phenotype

It cannot be passed to offspring

It only appears in homozygous form

It is hidden by other alleles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between homozygous and heterozygous alleles?

Homozygous alleles are the same, heterozygous are different

Homozygous alleles are different, heterozygous are the same

There is no difference

Homozygous alleles are from one parent, heterozygous from both

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does phenotype refer to?

Cell structure

Genetic makeup

Physical appearance

Chromosome count

Tags

NGSS.HS-LS4-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which genotype would result in a recessive phenotype?

Both homozygous dominant and heterozygous

Homozygous dominant

Heterozygous

Homozygous recessive

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a Punnett square?

To confirm the dominant traits

To identify genetic mutations

To predict possible genotypes of offspring from parental genes

To determine the exact traits of offspring

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a Punnett square, what does a heterozygous genotype look like?

Two uppercase letters

Two lowercase letters

One uppercase and one lowercase letter

Three letters mixed

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