Standard 3 Part 2 Question Preview (ID: 4997)


Standard 3 Part 2: Genetics. TEACHERS: click here for quick copy question ID numbers.

What is the longest stage if cell cycle?
a) Cytokinesis
b) None of them they are all the same length
c) Interphase
d) Prophase

Gametes are produced by the process of:
a) mitosis
b) meiosis
c) crossing-over
d) replication

During mitosis
a) cell division occurs that produces that produces sex cells with 1/2 number of chromosomes
b) the union of sperm and egg
c) the nucleus of the parent cell divide into two nuclei
d) the cytoplasm and its content divides into 2 daughter cells.

Which of the following is NOT found in animal cells?
a) cell wall
b) vesicle
c) lysosome
d) cell membrane

A gene:
a) is a segment of DNA located on chromosomes.
b) All of the above
c) typically contains one allele from each parent.
d) determines an organism’s traits.

If a recessive trait is expressed in an organism's phenotype, what can you determine about its genotype?
a) Both alleles in the genotypes are recessive
b) Both alleles in the genotype are dominant.
c) You cannot determine anything about the organism\\\'s genotype
d) at least one allele in the genotype is recessive

An organism genotype describe:
a) Rr, Rr, Rr, Rr
b) rr, rr, rr, rr
c) RR, Rr, Rr, rr
d) RR, RR, Rr, Rr

If a green seed (yy) is crosses with another green seed (yy) what can you predict about the offspring?
a) the phenotype will be green
b) All of the above
c) the recessive trait will show
d) the genotypes will be yy

A human has 46 chromosomes. How many chromosomes are in a human sex cell?
a) 46
b) 16
c) 23
d) 96

The first phase of mitosis is called
a) interphase
b) anaphase
c) prophase
d) metaphase

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