Science Quiz#1 Chapter 7

14 Questions | By Fountian1232 | Updated: Mar 16, 2022 | Attempts: 157

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This is a quiz over chapter 7 in your science book, its all about genetics.

Questions and Answers

1.

The study of inheritance is called ________.
2.

A ___________ organism comes from a line of ancestors that have had the same traits for many generations.
3.

Through his research, Mendel determined that there were two factors for each trait.
- A.
  
  True
- B.
  
  False
4.

An organism that has both recessive and dominant factors for a particular trait is a _______.
5.

A _____________ is a diagram that helps visualize the inheritance of characteristics.
6.

If an Rr dog mates with another Rr dog, what possible combinations might the puppies have?
- A.
  
  All RR
- B.
  
  All rr
- C.
  
  All Rr
- D.
  
  Some of each, RR, Rr, and rr
7.

Suppose that for cats, long hair is dominant and short hair is recessive. If a hybrid cat mates with a purebred short-haired cat, what possible combinations could you expect?
- A.
  
  All short-haired kittens
- B.
  
  All long-haired kittens
- C.
  
  Some kittens with short hair and some with long hair
- D.
  
  Some with long, some with short, and some with medium length hair
8.

Two traits blending to produce a different trait is an example of ________ __________.
9.

The number of boxes in a punnett square shows how many offspring will be produced.
- A.
  
  True
- B.
  
  False
10.

When a single trait, such as hair color, is controlled y more than one gene, this is called.
- A.
  
  Sex-linked traits
- B.
  
  Multiple gene inheritance
- C.
  
  Complete dominance
- D.
  
  Incomplete repressiveness
11.

What chromosome do human males have that females do not have?
12.

Abnormal traits that are passed on through the genes are called __________ ________.
13.

Most people who are born with a handicap are being punished for a sin their parents committed.
- A.
  
  True
- B.
  
  False
14.

Purebred Andalusian chickens are either white (B¹B¹) or black (B²B²). Use a Punnett square to cross a purebred white chicken with a hybrid (blue). What are the possible genotypes and phenotypes of the offspring?