it important to know a person's rhesus factor before a blood transfusion? A patient who is Rh+ can receive only Rh– blood. A patient who is Rh– can receive only Rh+ blood. A patient who is Rh+ can receive only Rh+ blood. A patient who is Rh– can receive only Rh– blood.

The genotype of the mother is XX while the genotype of the father is XY.

A genotype simply means the collection of genes in an individual. It is also referred to as the alleles that are inherited in a particular gene.

In this case, since red-green color blindness is a recessive trait, this implies that it will not be visible in a heterozygous female. Hence, the dominant allele will therefore mask the recessive allele.

Since the father has only one X chromosome, then if the trait was present in that X chromosome, he must have shown the trait because all the alleles in Y chromosome are recessive. In this case, the son has inherited the trait from the mother.

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Genotype of Mother: XX°

Genotype of Father: XY

Explanation:

• Since the Red-green colour blindness is a recessive trait , it will not be visible in a heterozygous female because dominant allele will mask the recessive allele.
• Father has only one X chromosome, thus if the trait was present in  that X chromosome he must have shown the trait because all the alleles in Y chromosome are recessive.
• Since the son has inherited the trait it is obvious that he had recieved the trait from his mother who must have been the carrier.

Answer:

Clouds are created when water vapor, an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust, that are floating in the air. ... That means some of the liquid water in the towel or bowl changed into an invisible gas called water vapor and drifted away into the atmosphere.

Answer:

condensation

Explanation:

Answer:

(a)-Kinesthetic

Explanation:

• The Vestibular sense is responsible for our sense of spatial orientation or balance.
• The Auditory sense is responsible for the perception of sounds.
• The Umami Olfactory sense is responsible for our sense of smell and taste.

So the answer is (a), kinesthesic. It is thanks to the kinesthetic sense that we can go up stairs easily without stopping to see and carefully control the movement of each of our legs.

Answer:

The Correct answer is B, Staphylococcus.

Explanation:

The Catalase test is used to differentiate Staphylococci (Catalase positive) from Streptococci (Catalyst negative). The enzyme catalase is produced by bacteria that respire using oxygen and protects them from the toxic by-products of oxygen metabolism.

Catalase positive bacteria includes strict aerobes as well as facultative anaerobes. Catalase negative bacteria maybe anarobes or facultative anarobes that only ferment and don't respire using oxygen as terminal electron acceptor.

Catalase converts hydrogen peroxide to water and oxygen gas. Though both Staphylococcus and Streptococcus are gram positive bacteria, only Staphylococcus produces catalase enzymes.