Genetic Vocabulary Flashcard Test B

25 Questions | By John_Mitchell_WV | Last updated: Nov 1, 2017 | Total Attempts: 84

Welcome to the electronic frontier biology classroom of the 21st century. This testing instrument will cover introduction to genetics vocabulary for biology classes. The flashcards can be accessed on Mitchell's Cosmic Adventure science web site under Biology TERMS & FLASHCARDS. I wish you GOOD LUCK on earning high marks!

Questions and Answers

1.

When the alleles of a pair are heterozygous, one is dominant and the other is recessive is called a(n)_____.
- A.
  
  Genotype
- B.
  
  Phenotype
- C.
  
  Homozygous
- D.
  
  Heterozygous
- E.
  
  Heredity
2.

What is the correct genotype notation for a homozygous tall pea plant?
- A.
  
  TT
- B.
  
  (TT)
- C.
  
  [TT]
- D.
  
  [tt]
- E.
  
  (Tt)
3.

_____ is a measure of the expectation that an event will occur or a statement is true.
- A.
  
  Allele
- B.
  
  Probability
- C.
  
  Chance
- D.
  
  Phenotype
- E.
  
  Genotype
4.

_____ cross is a genetic term for an organism heterozygous at one locus and obtained by a cross between parents each homozygous for different two alleles. (Please use case sensitive for your answer.)
5.

_____ _____ is the proportion of genotypes found in individuals after a genetic cross. You may consider a cross between two heterozygous individuals for a F1 individuals.
- A.
  
  Genotype Ratio
- B.
  
  Phenotype Ratio
- C.
  
  Dominant Ratio
- D.
  
  Recessive Ratio
- E.
  
  Hybrid Ratio
6.

_____ _____ is a ratio that shows the varied outcomes that results from a genetic cross and is based on physical appearance alone. For example green flowers, wrinkled seeds, and blue eyes.
- A.
  
  Genotype Ratio
- B.
  
  Phenotype Ratio
- C.
  
  Dominant Ratio
- D.
  
  Recessive Ratio
- E.
  
  Hybrid Ratio
7.

A cross between an individual exhibiting the dominant phenotype of a trait and an individual that is homozygous recessive for that trait in order to determine the genotype of the dominant individual is called a(n)_____. (Please use all lower case letters for your answer.)
8.

Complete dominance occurs when the phenotype of the heterozygous is completely indistinguishable from that of the recessive homozygote.
- A.
  
  True
- B.
  
  False
9.

_____ _____ is the phenotype of the heterozygous genotype distinct from and often itermediate to the phenotypes of the homozygous individual. (Please enter your answers in proper case sensitive letters for your answer.)
10.

Co-dominance occurs when the contributions of both alleles are visible in the phenotype.
- A.
  
  True
- B.
  
  False
11.

What is a characteristics feature, such as seed color in garden peas called? (Please use all lower case letters for your answer.)
12.

A grid is used to represent graphically the progeny zygotes resulting from the fusion of gametes in a specific cross is called a(n) Probability Square.
- A.
  
  True
- B.
  
  False
13.

What is the name of offspring from a genetic cross?
- A.
  
  Progeny
- B.
  
  Offspring
- C.
  
  Children
- D.
  
  Organisms
14.

_____ _____ is the number of offspring with a given genotype divided by the total number of offspring.
- A.
  
  Phenotypic Ratio
- B.
  
  Genotypic Ratio
- C.
  
  Gene Ratio
- D.
  
  Progeny Ratio
- E.
  
  Allele Ratio
15.

_____ _____ is the number of offspring with a given phenotype divided by the total number of offspring.
- A.
  
  Phenotypic Ratio
- B.
  
  Genotypic Ratio
- C.
  
  Gene Ratio
- D.
  
  Progeny Ratio
- E.
  
  Allele Ratio
16.

What is the upper angle between a petiole or a leaf and the stem from which it grows is called a(n)_____?
- A.
  
  Blade
- B.
  
  Leaf
- C.
  
  Axial
- D.
  
  Terminal
- E.
  
  Sepal
17.

A terminal flower position is a flower which grows at the end of a stem.
- A.
  
  True
- B.
  
  False
18.

Tall garden pea plants is a recessive trait in Mendel's experiment.
- A.
  
  True
- B.
  
  False
19.

Which organ of a flowering plant produces eggs? (Please use all lower case letters for your answer.)
20.

Which organ of a flowering plant collects pollen for fertilization? (Please use all lower case letters for your answer.)
21.

Choose the following organs found in flowering plants that are responsible for female reproduction. (Hint: there are three correct answers in the list.)
- A.
  
  Anther
- B.
  
  Stigma
- C.
  
  Style
- D.
  
  Ovule
- E.
  
  Petals
- F.
  
  Sepals
22.

Calculate the F2 generation observed ratio of 6,002 yellow pea seeds and 2,001 green pea seeds.
- A.
  
  3.01 : 1
- B.
  
  2.95 : 1
- C.
  
  3.50 : 1
- D.
  
  2.84 : 1
- E.
  
  3.15 : 1
23.

Calculate the F2 generation observed ratio of 705 purple flowers and 224 white flowers.
- A.
  
  3.01 : 1
- B.
  
  2.95 : 1
- C.
  
  3.50 : 1
- D.
  
  2.84 : 1
- E.
  
  3.15 : 1
24.

Choose from the following list of genotypes found in the F1 generation between both parents are dihybrid homozygous.
- A.
  
  (TT)
- B.
  
  [TTRR]
- C.
  
  (TtRr)
- D.
  
  (Pure Tall, Pure Round)
- E.
  
  [tTRR]
25.

What is the number of times an event is expected to happen/ number of times an event could happen is called a(n)_____?

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