5th Grade, Chapter 2- Reproduction And Change: Question Preview (ID: 32205)


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Which of the following organisms is uni-cellular?
a) people b) amoeba c) oak tree d) shark
The step in cell division in which chromosomes line up at the middle is called
a) interphase b) prophase c) metaphase d) anaphase
a change or error in the structure of a gene or chromosome is called a
a) mutation b) dominant trait c) recessive trait d) inherited trait
This happens when a sperm and egg cell unite
a) cell division b) mitosis c) chromosome d) fertilization
sperm and egg cells have
a) double the number of chromosomes as body cells b) half the number of chromosomes as body cells c) no chromosomes d) more chromosomes than all other cells
Traits that pass from parents to offspring are _______________.
a) hybrid b) inherited c) pollination d) fertilized egg
a _______________ is the part of a chromosome that carries information that controls a trait
a) gene b) hybrid c) recessive gene d) dominant gene
_______________ takes place when pollen grains are moved from a stamen to the sticky top of the pistol of a flowering plant.
a) gene b) pollination c) fertilized egg d) hybrid
a cell formed by fertilization is called a _______________. It gets all of the chromosomes that are in a sperm and egg cell.
a) fertilized egg b) gene c) recessive trait d) pollination
a gene whose effect is hidden is called a _______________.
a) dominant gene b) hybrid c) fertilized egg d) recessive gene
A gene that can hide the effect of a recessive gene is called a _______________.
a) trait b) gene c) dominant gene d) fertilized egg
a organism with one dominant and one recessive gene for a trait is a _______________.
a) trait b) hybrid c) fertilizd egg d) pollination
this scientist studied inheritance in pea plants
a) Thomas Hunt Morgan b) James Watson and Francis Crick c) Rosalind Franklin d) Gregor Mendel
experimented with fruit flies to learn about chromosomes
a) Thomas Hunt Morgan b) James Watson and Francis Crick c) Rosalind Franklin d) Gregor Mendel
Produced pictures of DNA that gave clues about its structure
a) Thomas Hunt Morgan b) James Watson and Francis Crick c) Rosalind Franklin d) Gregor Mendel
Used pictures from Franklin to build the first model of DNA
a) Thomas Hunt Morgan b) James Watson and Francis Crick c) Rosalind Franklin d) Gregor Mendel
Use punnet square for a cross between two guinea pigs. One parent has the dominant trait RR for rough fur and the other parent is recessive for smooth fur, rr. How many of the offspring would have rough fur?
a) 25% b) 50% c) 75% d) 100%
Draw a punnet square for a cross between two guinea pigs. One parent has the dominant trait RR for rough fur and the other parent is recessive for smooth fur, rr. How many would have smooth fur?
a) 0% b) 25% c) 50% d) 75%
Which of these is the correct order for the steps in mitosis?
a) telophase, anaphase, metaphase, prophase b) prophase, metaphase, anaphase, telophase c) prophase, anaphase, metaphase, telophase d) anaphasen prophase, metaphase, telophase
which step produces two identical new cells?
a) metaphase b) anaphase c) telophase d) prophase
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