Sexual reproduction Flashcards
(33 cards)
What is sexual reproduction?
A process that involves the combination of genetic material from two parent organisms.
True or False: Sexual reproduction results in offspring that are genetically identical to the parents.
False
Fill in the blank: In sexual reproduction, the male gamete is called a ______.
sperm
Fill in the blank: In sexual reproduction, the female gamete is called an ______.
egg
What is the main advantage of sexual reproduction?
Increased genetic diversity among offspring.
Which type of organisms commonly reproduce sexually?
Animals and many plants.
What is fertilization?
The fusion of male and female gametes to form a zygote.
True or False: A zygote is the first cell formed after fertilization.
True
What is a diploid cell?
A cell that contains two complete sets of chromosomes, one from each parent.
What is meiosis?
A type of cell division that reduces the chromosome number by half, producing gametes.
Multiple Choice: What is the primary purpose of meiosis? A) Growth B) Repair C) Gamete formation D) Energy production
C) Gamete formation
What process allows for genetic variation during sexual reproduction?
Crossing over during meiosis.
Fill in the blank: The union of sperm and egg occurs in the ______.
oviduct or fallopian tube
What is a chromosome?
A structure made of DNA and proteins that contains genetic information.
True or False: Each parent contributes one chromosome to each pair in their offspring.
True
What is a gamete?
A reproductive cell (sperm or egg) that carries half the genetic information.
Multiple Choice: Which of the following is NOT a step in sexual reproduction? A) Fertilization B) Meiosis C) Cloning D) Gamete production
C) Cloning
What role does the placenta play in sexual reproduction?
It provides nutrients and oxygen to the developing fetus.
Fill in the blank: The process of development from zygote to embryo is called ______.
embryogenesis
What is the difference between internal and external fertilization?
Internal fertilization occurs inside the female body, while external fertilization occurs outside.
True or False: All animals reproduce sexually.
False
What is asexual reproduction?
A process that does not involve the fusion of gametes and results in offspring that are clones of the parent.
Fill in the blank: Organisms that can reproduce both sexually and asexually are called ______.
hermaphrodites
What is the term for the male reproductive organ in flowering plants?
Stamen
