Genetics Chapter 5 Question Preview (ID: 37847)


7th Grade. TEACHERS: click here for quick copy question ID numbers.

In a human body cell there are 46 chromosomes. How many chromosomes are in a sperm??
a) 23
b) 46
c) 92
d) random number

If the genotype is Bb and B= brown eyes and b= blue eyes, what is the phenotype?
a) brown eyes
b) blue eyes
c) homozygous
d) green eyes

Which is an example of a homozygous recessive genotype?
a) rr
b) RR
c) Rr
d) RrRr

Which sex chromosomes do male have?
a) XY
b) XX
c) dominate
d) recessive

Which of the following is the smallest pieces that makes up the other terms?
a) genes
b) chromosomes
c) nucleus
d) cells

If you cross two rabbits that have the genotype Bb, how many possible genotypes are there?
a) 3
b) 1
c) 2
d) 4

If you cross two rabbits with the genotype Bb, What is the percent chance that they will we homozygous recessive?
a) 25%
b) 75%
c) 100%
d) 50%

What is the study of inheritance?
a) genetics
b) cytology
c) ecology
d) dominance

Who is considered the father of genetics and studied pea plant charateristics?
a) Gregor Mendel
b) Charles Darwin
c) Robert Hooke
d) Mr. Meyer

Which is an example of a heterozyous genotype?
a) Hh
b) HH
c) hh
d) brown hair

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