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Do genetic combination of mothers play a significant role in determining the sex of a newborn?
No, the genetic combination of mothers doesn't play a significant role in determining the sex of a newborn because mothers have a pair of X-chromosomes. All children will inherit an 'X' chromosome from their mother regardless of whether they are boys or girls.
No, the genetic combination of mothers doesn’t play a significant role in determining the sex of a newborn because mothers have a pair of X-chromosomes. All children will inherit an ‘X’ chromosome from their mother regardless of whether they are boys or girls.
See lessWhat changes are observed in the uterus if fertilization does not occur?
The uterus prepares itself by increasing the thickness of the endometrium layer and blood vessels to nourish the baby. However, when the egg does not fertilize, the uterus slowly breaks along the endometrium lining and bleeds through the vagina. This process is called menstruation.
The uterus prepares itself by increasing the thickness of the endometrium layer and blood vessels to nourish the baby. However, when the egg does not fertilize, the uterus slowly breaks along the endometrium lining and bleeds through the vagina. This process is called menstruation.
See lessHow does fertilization takes place?
Conception happens when sperm swims up through the vagina and fertilizes an egg in the fallopian tube. It happens in the hours or days after you have unprotected sex. After conception, the fertilized egg implants into the uterus and a pregnancy begins.
Conception happens when sperm swims up through the vagina and fertilizes an egg in the fallopian tube. It happens in the hours or days after you have unprotected sex. After conception, the fertilized egg implants into the uterus and a pregnancy begins.
See lessWhich biological factor is responsible for poor vegetation in deserts?
lack of water/water scarcity due to low rainfall is responsible for poor vegetation in deserts (less growth of plants in the desert).
lack of water/water scarcity due to low rainfall is responsible for poor vegetation in deserts (less growth of plants in the desert).
See lessWhich group of organisms convert organic materials to inorganic forms?
Decomposers convert organic matter into inorganic matter.
Decomposers convert organic matter into inorganic matter.
See lessWhat do we call the various steps involved in the food chain?
The various steps in a food chain are called trophic levels.
The various steps in a food chain are called trophic levels.
See lessName the process used by single celled organisms for taking in food exchange of gases or removal of wastes.
In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms.
In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms.
See lessThe left kidney is placed a little higher than the right kidney. Give suitable reason for this statement.
In humans, the kidneys are located in the abdominal cavity. The right kidney is placed at a slightly lower level than the left kidney in order to accommodate the largest gland/organ of the body, the liver. The liver bulges out on the right side of the body and then, tapers off to the left.
In humans, the kidneys are located in the abdominal cavity. The right kidney is placed at a slightly lower level than the left kidney in order to accommodate the largest gland/organ of the body, the liver. The liver bulges out on the right side of the body and then, tapers off to the left.
See lessWhat is the general interest of geologist towards minerals?
A geologist is mainly interested in the formation of minerals, their age and physical and chemical composition.
A geologist is mainly interested in the formation of minerals, their age and physical and chemical composition.
See lessWho was Edo?
Edo was the earlier name of Tokyo.
Edo was the earlier name of Tokyo.
See less