AP BIOLOGY

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ANIMAL REPRODUCTION AND DEVELOPMENT

ASEXUAL REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When an egg and sperm form an embryo, the offspring that is formed will have genetic traits that are
A
inherited from only one parent.
B
created by the environment.
C
passed on from two parents.
D
learned from siblings.
Explanation: 

Detailed explanation-1: -To form a fetus, an egg from the mother and sperm from the father come together. The egg and sperm each have one half of a set of chromosomes. The egg and sperm together give the baby the full set of chromosomes. So, half the baby’s DNA comes from the mother and half comes from the father.

Detailed explanation-2: -Genetic information is passed from one generation to another. Sexually reproduced offspring are never identical to their parents. Many species, of animals and plants, including humans reproduce sexually.

Detailed explanation-3: -Through the process of fertilization, egg and sperm join to make a cell with 46 chromosomes (23 pairs), called a zygote.

Detailed explanation-4: -In sexual reproduction, two parents contribute genetic information to produce unique offspring.

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