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Week 6 - Life Systems - Heredity, Genetics, Classification

Last updated 20 days ago

24 questions

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Question 7

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Question 8

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Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

6.

What is the shape of the DNA molecule?

Straight line

Double helix

Circle

Triple helix

What does DNA carry for living organisms?

Genetic code

Energy

Water

Food

Question 9

9.

Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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Question 16

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Question 17

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Question 18

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Question 19

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Question 20

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Question 21

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Question 22

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Question 23

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Question 24

24.

What is the term for naming organisms with two names?

Binomial nomenclature

Domain naming

Genus identification

Species classification

Which kingdom includes organisms that can make their own food?

Plantae

Animalia

Fungi

Protista

Which domain consists of single-celled organisms without a nucleus?

Eukarya

Animalia

Bacteria

Archaea

Which kingdom is made up of multicellular organisms that move?

Animalia

Fungi

Plantae

Protista

What do we call the broad category in biological classification?

Species

Domain

Kingdom

Genus

Which domain includes organisms with a nucleus?

Fungi

Animalia

Eukarya

Archaea

What does a Punnett Square predict?

Genetic mutations in plants

Probability of traits in offspring

Life expectancy of organisms

Growth rate of offspring

What does homozygous mean?

Only one allele present

Trait not expressed in organism

Same two alleles present in organism

Different alleles in organism

What is the genotype result of Rr x Rr?

50% RR, 50% rr

75% RR, 25% Rr

100% Rr

25% RR, 50% Rr, 25% rr

Which color is dominant in pea plant flowers?

White is dominant over purple

Purple is dominant over white

Green is dominant over white

Pink is dominant over purple

What is the genotype of a homozygous dominant organism?

R

Rrr

RR

rr

Rr

How many offspring will be homozygous recessive from $Rr \times Rr$?

CREATE A PUNNET SQUARE

0%

50%

75%

100%

25%

What does heterozygous mean in genetics?

Both parents are identical

Different alleles

Only dominant traits

Same alleles

Only recessive traits

What percentage of offspring will have brown eyes if both parents are hybrid?

100%

0%

25%

75%

50%

What does natural selection describe?

Organisms choose their traits.

All species evolve quickly.

Species change over time due to traits.

Animals adapt deliberately to survive.

Who proposed a model of evolution in the 1800s?

Jean Baptiste de Lamarck was the first.

Charles Darwin was the first.

Darwin published after Lamarck.

Gregory Mendel proposed evolution.

What did Charles Darwin study?

Animals in his backyard.

Only plants in the Galapagos.

He focused on insects only.

Organisms in diverse global locations.

What can genetic mutations cause?

Variations that affect survival.

Only negative effects on species.

Identical traits in offspring.

Immediate changes in all organisms.

What do we call the change of species over generations?

Gradualism

Fossil Record

Genetic Evidence

Theory of Evolution

What documents the history of life using fossils?

Punctuated Equilibrium

Embryological Evidence

Fossil Record

Homologous Structures

What compares DNA to show species relatedness?

Homologous Structures

Fossil Record

Genetic Evidence

Radiometric Dating

How do homologous structures support evolution?

Share common ancestry with different roles

Always found in fossils

Identical genes across species

Same function in different species