B = brown eyes b = blue eyes What is true about these two brothers that have brown eyes? One has genotype BB the other Bb.

they have same phenotype but different genotypes

they have same phenotype and genotype

they have different genotypes and phenotypes

they have same genotype but different phenotypes

What does a Punnett Square help you do?

Determine the ratio of phenotypes

Determine the ratio of genotypes

Predict possible traits the offspring will have

In certain rats, black fur is dominant over white fur. If two rats, both heterozygous for fur color are mated, their offspring would be expected to have

three different genotypes and two different colors

four different genotypes and two different colors

two different genotypes and three different colors

three different genotypes and three different colors

Science EOT Review #1

Quiz

•

Biology

•

7th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS3-1, HS-LS3-2, HS-LS3-3

Standards-aligned

B Clymer

Used 113+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The yellow part of this picture is DNA. What do you think the turquoise part around it is?

chromosome

gene

DNA

ACTG

Tags

NGSS.HS-LS3-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the small segments of chromosomes called?

Genotypes

DNA

Genes

Proteins

Tags

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which sentence is FALSE?

Humans have 23 pairs of DNA.

Humans have 46 total chromosomes.

Genes are made of chromosomes.

Every human's DNA is at least 99% similar.

Tags

NGSS.HS-LS3-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Genes are passed from parents to offspring on

DNA

duplicated genes

chromosomes

little boats

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes a characteristic of a dominant gene?

A dominant gene is passed only to offspring in pairs.

A dominant gene is passed only to female offspring.

A trait coded by a dominant gene is masked when a recessive gene is present.

A trait coded by a dominant gene is expressed when the dominant genes is present.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two parent guinea pigs that both express recessive traits are crossed. Which trait will most likely be expressed in the offspring?

rough coat texture

short fur

black coat color

white spots

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two siblings express different eye colors. The brother has brown eyes, but the sister has blue eyes. Which statement explains why the two sibling express different eye colors?

The siblings inherited a different number of chromosomes for eye color.

The brother received traits only from his father and the sister received traits only from his mother.

The siblings each received a different combination of genetic information from their parents.

The brother received fewer genes from his mother than his sister did.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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Science EOT Review #1

25 questions

The yellow part of this picture is DNA. What do you think the turquoise part around it is?

What are the small segments of chromosomes called?

Which sentence is FALSE?

Genes are passed from parents to offspring on

Which statement best describes a characteristic of a dominant gene?

Two parent guinea pigs that both express recessive traits are crossed. Which trait will most likely be expressed in the offspring?

Two siblings express different eye colors. The brother has brown eyes, but the sister has blue eyes. Which statement explains why the two sibling express different eye colors?

An organism's genetic makeup, or allele combinations. Set of genes

An organism's physical appearance, or visible traits. Physical expression of the gene.

(deoxyribonucleic acid) A complex molecule containing the genetic information that makes up the chromosomes.

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